Tantalum Facts - Periodic Table of the Elements

The Adventures Of Huckleberry Finn By Mark Twain - 1862 Words

In the Adventures of Huckleberry Finn, Mark Twain juxtaposed events in American society to demonstrate to the reader contrasts between different levels of class and race in society. Twain showed to the reader that people of all classes at the time were very ignorant and gullible, through what things appear to be and what they really are. Twain shows people’s gullibility when Huck arrives at the grangerfords. As Huck first walked through the house he described it by saying things like â€Å"This table had a cover made out of beautiful oilcloth, with red and blue spread-eagle painted on it† (100) and â€Å"They had pictures hung on the walls†¦ they was different from any pictures I ever see before.† (101). Huck seemed to be amazed by all the things†¦show more content†¦The night that Tom and Huck set Jim free, Tom got shot by the farmers that were chasing them. Once they knew that they were out of the farmer s sight they all sat down and Huck said â€Å"We was all glad as we could be, but Tom was the gladdest of all because he had a bullet in the calf of his leg.† (275). The reader would expect that Jim would be the most g lad when everything was over because he was finally free, but Huck tells us that Tom was. The reason he was the most glad is that he finally got the adventure he was looking for. When Tom first agreed to help Huck save Jim, Huck was a bit surprised that he said yes without any hesitation but what Huck didn’t really know was why he said yes. He soon figured it out, however, Jim didn’t. When Tom got shot, Jim genuinely thought that Tom was risking his life for him. However, the reader knows that since the beginning when Tom agreed to help Huck, he only said yes because he was looking for adventure. This shows Tom’s ignorance because he only did it thinking of himself and not thinking of actually helping Jim out. Through this, Twain shows that higher end class people like Tom and other white men could also be very ignorant and not just people from lower class. Twain showed that people of all classes, both low and high, are very gullible and ignorant. Hypocrisy was something that also showed the ignorance of white or higher class people during this time. While Huck was living with Miss Watson, she tried to

In the Wake of Rejection free essay sample

The clicking of my heels echoing down the deserted school hallway, black dress fluttering about my knees just as the butterflies do about my stomach, I focus on slowing down the thoughts racing around my mind: â€Å"can’t handle this today . . . just want to curl up in a ball and cry . . . they’ll think you’re an idiot . . . you’re already running late, might be better to just not show up at all . . . why didn’t you say something to herNo! You can’t go there right now, stay focused! . . . remember why you’re doing this.† I search inside myself, grasping for the confidence I had when I was five and decided I wanted to learn to ride a bicycle. I’d simply found a screwdriver, taken off my training wheels, and figured out how to ride it, undeterred by numerous falls. â€Å"You did it then; you can do it now. We will write a custom essay sample on In the Wake of Rejection or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page † I reach the classroom; inside, the students are gone and the teachers sit at desks, presumably discussing the graduation speeches they have just heard. I’m later than I thought. â€Å"Save yourself the embarrassment of appearing irresponsible, just leave.†The idea seems rational; the universe seemed to be telling me not to do this. I’d faced numerous obstacles in writing and recording myself giving the speech and trying out meant I’d be late for an event for my friend, Leah, that being at meant the world to me. But this is something I need to do for myself. Slowly, hesitantly, I open the door. â€Å"Is it too late to try-out?† I ask, clutching the DVD with white knuckles. Unfortunately, it is. Before I can leave, the vice principal pulls me into the hall. â€Å"You know you’re not graduating this year, right?† he asks gently. The curling-up-in-a-ball idea is growing increasingly appealing. â€Å"I know.† I reply. â€Å"You’re welcome to come back next year and tryout then, though.† As I trudge towards my car, face burning, I question why I ever thought this was a good idea. Two weeks earlier, I was sitting in English when someone came in to talk about auditions for graduation speaker. Knowing this didn’t apply to me, I began reflecting on my fear of failure. Throughout my life anxiety had paralyzed me; I feared people would judge me for having the audacity to assume I had anywhere near the talent needed to tryout for a team, submit an application, or even turn in an essay. My shelves have always been cluttered with blank notebooks untainted by my awkward sentences and shallow thoughts, although my head always swam with experiences I longed to record and ideas that demanded to be analyzed. Essentially, I always gave up before I even began, and those times I somehow summoned up the courage to try, I’d give up as soon as soon as confronted with an obstacle. As I half-listened to the logistics of the auditions, I pondered ways to move beyond my fear. Suddenly, it hit me. What better way to desensitize myself than to tryout for something I had no qualifications for whatsoever? I’m not an involved, popular, straight-A student, nor am I a particularly skilled writerI wasn’t even graduating! So, I signed up to be rejected. I try to put it out of my mind as I speed out of the school parking lot, agonizing over the fact that now I’m late and humiliated. When I arrive, I take a deep before walking inside. Immediately, I am overwhelmed by a gallery of Leah’s life and achievements. Her outstanding test scores are proudly displayed on a table in the back near vacation scrapbooks. Her mother, aged ten years overnight, stands beside a picture of a grinning six-year old Leah. Standing there, all traces of my embarrassment are washed away by a tidal wave of grief that knocks the air out of my lungs and leaves my cheeks salty and wet. I sit in the pews and sob into my friend Cole’s suit, collapsing into him, too weak to hold myself up. A steady stream of tears rolls down my face as countless stories are told by friends and family. When Leah’s coach’s turn comes, he marvels in her fearlessness, how Leah never let pride or insecurity hold her back. In that moment, I am unbelievab ly grateful I tried out to be a graduation speaker. After the wake, I give my condolences to Leah’s father; he hugs me and tells me to be strong for her. Today, I try to go beyond that and carry on Leah’s drive and fearlessness, whether that means trying out for a cheer squad or applying to a college whose typical applicant has a much higher GPA than I. Trying out for graduation speaker helped me realize failure is temporary and nothing to be feared. After all, the cuts and bruises adorning my legs only made riding down the block feel that much sweeter.

Philosophy - The Only Truth Existing Essays - Epistemologists

Philosophy - The Only Truth Existing "We are, then, faced with a quite simple alternative: Either we deny that there is here anything that can be called truth - a choice that would make us deny what we experience most profoundly as our own being; or we must look beyond the realm of our "natural" experience for a validation of our certainty." A famous philosopher, Rene Descartes, once stated, "I am, [therefore] I exist." This statement holds the only truth found for certain in our "natural" experience that, as conscious beings, we exist. Whether we are our own creators, a creation, or the object of evolution, just as long as we believe that we think, we are proved to exist. Thinking about our thoughts is an automatic validation of our self-consciousness. Descartes claims, "But certainly I should exist, if I were to persuade my self of something." And so, I should conclude that our existence is a truth, and may be the only truth, that we should find its certainty. From the "natural" experiences of our being, we hold beliefs that we find are our personal truths. From these experiences, we have learned to understand life with reason and logic; we have established our idea of reality; and we believe that true perceptions are what we sense and see. But it is our sense of reason and logic, our idea of reality, and our perceptions, that may likely to be very wrong. Subjectiveness, or personal belief, is almost always, liable for self-contradiction. Besides the established truth that we exist, there are no other truths that are certain, for the fact that subjective truth may be easily refuted. Every person possesses his or her own truth that may be contradicting to another person's belief. A truth, or one that is true for all, cannot by achieved because of the constant motion of circumstances of who said it, to whom, when, where, why, and how it was said. What one person may believe a dog is a man's best friend, another may believe that a dogs is a man's worse enemy. What one may believe is a pencil, to another is not a pencil, but a hair pin. Where one may believe that a bottle is an instrument, one may believe is a toy, where another may believe is a beverage container. Where one will understand the moving vehicle "car," one might understand "car" as a tree. Our perception of what is true depends on our own experiences, and how something becomes true for us. Many circumstances are necessary to derive at one's truth, whether it is an idea, object, or language. All perception, besides the perception of existence, is uncertain of being true for all individuals. Every thought, besides the idea that we think, has the possibility that it may be proven wrong. The author of the article, Knowledge Regained, Norman Malcolm, states that, "any empirical proposition whatever could be refuted by future experience - that is, it could turn out to be false." An example could be the early idea of the earth being flat and not the current perception of the earth being round. History tells us that at one time, the perception of the earth was thought to be flat. This notion was an established truth to many because of the sight and sense that people perceived about the earth's crust. At one point, to accept the newer truth that the earth is round, meant that, what one believed was true, really wasn't. And, what if, at some point in the future, we were told by a better educated group of observers that the earth is not round, but a new shape we've never even perceived before? Would we agree to the scientists' observation that they have, themselves, agreed to this more accurate shape of the earth?. We would probably agree to change our knowledge of truth to the observations of experts. This is an example that, what we may have once believed to be the absolute truth, may be proven wrong at any time. And what we actually know, may not be the truth after all. Truth may also be refuted through the identified appearance or sense of an

To what extent did victory or defeat in war in the period 1792-1918 depend on the quality of generalship Essay Example Essay Example

To what extent did victory or defeat in war in the period 1792-1918 depend on the quality of generalship Essay Example Paper To what extent did victory or defeat in war in the period 1792-1918 depend on the quality of generalship Essay Introduction Between 1792 and 1918 there were many battles fought whose outcome relied on a variety of factors of differing importance. The quality of generalship was one of those factors, however no individual factor solely decided the outcome of wars. The quality of generalships importance on the outcome of wars was indeed significant in the Napoleonic period and the German Wars of Unification as both Napoleon and the Prussian General Staff showed, however in WW1 its importance declined, as despite poor French and British generalship the allies were still victorious. More important than the quality of generalship to the outcome of wars over the whole period was tactics.Despite drastic changes in tactics it remained consistently the most important factor in the whole period in deciding the outcome of wars. Another factor that was of less magnitude than tactics but still more important than the quality of generalship in deciding the outcome of wars was quality and numbers of soldiers. Throughout this period numbers of soldiers were consistently crucial, with the quality of soldiers becoming of increasing importance over the period as power was delegated more. Overall, to some extent victory or defeat in war did depend on generalship in both the Napoleonic period and the German wars of Unification, however in World War 1 its importance was of less significance.The area of warfare that to the largest extent victory or defeat in war in the period 1792-1918 depended on was tactics. Despite changing radically over this period tactics was consistently the most important factor in the outcome of wars from 1792-1918. During the Napoleonic period the use of envelopment to encircle the enemy was crucial to determining victory in war. Envelopment relied on fitness and commitment from soldiers as marching long distances at fast paces was common and so could also be seen to link in with growing quality of soldiers. The greatest example of envelopment being used to determine the outcome of a battle was at Ulm in 1805, which has been recognised as a victory achieved as much by marching as by fighting.This is because the French marched 500 miles from North East France to the Rhine and then the Danube to envelop the Austrians at Ulm, leading to an Austrian surrender as they were surrounded and could not unite with the Russians. The importance of Napoleon’s generalship in relation to tactics should not be undermined as he used different tactics for different battles making predicting the course of attack difficult for the enemy. Despite evolving to supporting the defender due to increased technology, tactics were equally important during the German Wars of Unification.One example that highlights the importance of tactics over numbers of soldiers and weapons was at Konnigratz in 1866 where the Prussians used battlefield concentration, converging multiple units at the same location to trap the Austrians, despite the fact the Austrians outnumbered the Prussians 240 ,000 to 130,000 and also had superior weapons. However, this victory once again also links in with the quality of generalship to some extent as the Austrian general Benedek had dithered, failing to capitalise on the numerical advantage of his army. The rate of change between the German Wars of Unification and WW1 in relation to tactics was larger than that of Napoleonic wars to German Wars of Unification due to the new strategy of trench warfare which was a key turning point in the nature of warfare, however despite this, tactics maintained their importance in defining the outcome of war. One tactic in WW1 that led to huge casualties and thus failure in battle was advancing en masse towards enemy trenches after artillery bombardment.The importance of this tactic in relation to failure was particularly prevalent at the battle of the Somme where most of the British infantry advanced en masse in open line towards enemy trenches that had not been destroyed and were subsequently cut down by German machine guns and artillery leading to 20,000 deaths. In contrast to advancing en masse the use of infantry advancing in small groups had a much more effective impact on the outcome of battles in WW1 as was shown by the German stormtroopers who used this tactic to break through Allied lines during the Battle of Caporetto in 1917. This therefore shows that tactics was the most important factor in determining the outcome of wars in this period.The area of warfare that to the second largest extent determined victory or defeat from 1792-1918 was quality and numbers of soldiers. The impact of numbers of soldiers on the outcome of war showed continuities throughout the whole period particularly as countries moved toward total war and needed to harness increasing numbers. The impact of numbers of soldiers was never more obvious than in Napoleonic warfare. The levee en masse which was ordered in 1793 conscripted all men aged 18-25, and in doing so recruited over 1 million.The larg e army allowed Napoleon to conduct his plans for European domination and the advantage of numbers was obvious in battles such as Valmy where the French won as they outnumbered the Prussians by 2000 and Jena Auerstadt where the French won as they outnumbered the Prussians by 8000. The impact of numbers of soldiers on the outcome of war was also equally important in WW1 when the key turning point came in the war with the influx of American troops, who despite lacking quality, allowed the allies to push for victory. The importance of numbers of troops can be compounded by the fact that Ludendorff attempted to launch his final offensive before the Americans were present in Europe because he knew with increased numbers on the allies side it would be difficult for the Germans to be victorious. The importance of quality of soldiers in determining the outcome of battles increased over this period.The huge numbers in Napoleonic warfare outweighed the need for soldiers of high quality and thu s many soldiers were often just ordered to bayonet charge the enemy. However in the German Wars of Unification there was a key turning point as the education of soldiers by the Prussians allowed for ‘thinking soldiers’ who could be flexible in battle, this allowed power to be delegated and in doing so increased the likelihood of victory. Despite mass conscription from most nations involved, the increased quality of soldier was evident in WW1. This was shown through highly trained and disciplined German storm troopers who were utilised effectively for penetrating enemy lines, significantly increasing the chance of victory as was shown at Caporetto in 1917. This therefore shows that quality and numbers of soldiers were the second most important factor in determining the outcome of wars in this period.Despite being of less importance than tactics, and quality and numbers of soldiers, generalship still had a significant impact on the outcome of war in the period 1792-1914. The importance of generalship varied over this period with it initially being very important, however as whole countries moved towards total war the importance of the individual general declined. The importance of one single general on the outcome of war can not be exemplified better than Napoleon. Napoleon’s ability to take risks and improvise was unrivalled in his period and led to numerous victories. One key example of the impact of Napoleon on the outcome of a battle was at Austerlitz where Napoleon constantly manouevred his troops so that he took on each section of the Russians and Austrians separately and nullifying the advantage of greater numbers as the Russians and Austrians had 86,000 to the French’s 67,000. The ingenious principle was always to try to have superior numbers at a given place.This was aided by poor communication between the Russians and Austrians which allowed Napoleon to pick them off. Generalship maintained its importance in the German Wars o f Unification, however rather than being solely reliant on one man, there was a key turning point in that power was delegated, this was largely made possible by the increased education, and thus quality, of soldiers. It was the work of the Prussian General staff which was one of the main factors responsible for the unification of all the independent German states. One of the crucial changes the General Staff enforced that contributed to victory was to state that newly developed rifled artillery would no longer be placed in the rear of the order of march for employment behind the infantry; instead, a significant detachment would travel with the advanced guard of the leading corp, and the remainder would march with the front of the main body, providing immediate artillery coverage of the advanced guard on contact and of the main body during subsequent deployment on the field.This change led to definitive victories such as Spicheren in 1870 where despite the French having the technolog ical advantage of the Chassepot, the superior organisation of the Prussian artillery led to victory. However, the importance of quality of generalship decreased in WW1 as is shown by the fact that the Allies were victorious despite possessing far less able generals than the Germans. This can be exemplified by the battle of the Somme in 1916, where Haig failed to realise that German trenches had not been destroyed by Allied bombardment and continued to send British infantry to advance en masse only to be confronted by German fire, leading to 60,000 casualties. This therefore shows that initially quality of generalship was important on the outcome of war, however this importance declined in WW1.Overall to a significant extent generalship did influence the outcome of wars in both Napoleonic warfare and the Wars of German Unification, however in WW1 it had less impact. The area of warfare that to the largest extent decided the outcome of wars from 1792 to 1914 was tactics, and this was consistently the case throughout the period despite changes in tactics, notably the key turning point being the introduction of trench warfare. Quality and numbers of soldiers were also consistently important in dictating the outcome of wars during this period, with the importance of quality increasing as more and more countries conscripted untrained soldiers. To what extent did victory or defeat in war in the period 1792-1918 depend on the quality of generalship Essay Thank you for reading this Sample!

Alice Munro The Shinning Houses Character Essay

Alice Munro The Shinning Houses Character Essay The Shinning Houses Alice Munro presents a protagonist whose personality and values conflict with her neighbours. The protagonist Mary is an open-minded, fair, but somewhat powerless character.Mary is an open-minded individual who understands values from both Mrs. Fullerton and the new community. She is the only character in the "Shinning Houses"  willing to "[explore Mrs. Fullerton's] life as she had once explored the lives of grandmothers and aunts,"  and the only one who buys her fresh eggs. Mary "[smiles]"  openly to everyone while her new neighbours, whose "faces [are] applied,"  "smile in rather a special way"  that they only perceive Mary "as a conversational delight."  Even at the birthday party did Mary keep a smile and listen to the new neighbours talk among themselves, going about in "circles of complaint."  Mary's own personality and values conflict with her neighbours', but she remains open to any situation she faces.Shrine to Our Lady - Mary, The Mo ther of GodMary is a fair lady, who does what she believes is right. Her name suggests religious allegory with Mary, the Mother of God, and human creation. Mary exhibits her Mother-like qualities at the birthday party, defending Mrs. Fullerton, the neighbour who "never [changes],"  against the mothers who wear "nylons and skirts," ¦[their] hair fixed and faces applied."  She knows that Mrs. Fullerton deserves a chance to stay in her home, as Mary, the Mother of God knows that all creation deserves a chance to live. Mary's fair personality conflicts with her neighbours' values and beliefs: while she is fair to human rights, the neighbours are fair to their community of "shinning houses."  Although Mary is courageous in being the only person to defend Mrs. Fullerton, she is somewhat powerless with her arguments against her neighbours. Mary stands alone only listening to her neighbours speak with "self-assertion."  She remains...

Safe evacuation from multi tenanted buildings Essay

Safe evacuation from multi tenanted buildings - Essay Example This will minimize the risk of fire accidents. The probability of fire accidents can be reduced only if the normal people are taught to use the fire extinguishers. If an efficient method is used to educate people regarding the fire accidents, it would reduce the number of fire accidents. People must also be taught to safeguard themselves from such accidents. Fire accidents generally occur at multistoried buildings and residential apartments. People find it still more difficult to evacuate themselves from such fire accidents. Since the number of people will be more in such accidents, evacuation procedure is certainly difficult. Evacuations from multi tenanted buildings are also equally difficult. In this case, safe evacuation is more important. (Dennett, 2004).Safe evacuation can be done only if the people are well informed about the consequences of the fire accident. They must be careful enough to safeguard themselves in such situations. Any minor mistake might cost a life and people must be efficient enough to handle these situations. Safe Evacuation Self evacuating equipments also form a part of the safe evacuation program. Safe evacuation equipment lends a helping hand at times of fire accidents. By using these equipments, the severance of the fire accidents can be reduced to a certain extent. ... The safety exit must be clearly specified and people must have an access to the exit routes. They must be taught not to use elevators and during a fire accident. Self evacuation is more dangerous in case of severe fire accidents were the fire has spread to all parts of the building. In such situation, they must incorporate any method to get out of the building. The primary task is to use the available fire extinguishers to minimize the spread of fire. If it does not work in an effective manner, then they must try to come out of the building. The situation becomes tough if disabled people also reside in the same building. In this case, wheel chairs and other mobility equipments must be used to save them. People must be confident enough to handle the situation, since even a minor issue might lead to a severe problem. (Grant, 1994). Before implementing any of these self evacuation operations, the residents must intimate the fire and rescue service to help them in case of any emergency. This would enable them to help the people who are caught up in the upper floors of the building. Safe Evacuation Procedures Multi tenanted buildings are more prone to fire accidents. Since the numbers of housing units are more, the possibilities of fire accidents are more. The severity of fire accident might also be more, since the number of people to be evacuated will eventually be more when compared to other buildings. (Kramer, 2009).The initial step in the self evacuation procedure is to use the fire alarm system immediately. In case a fire identified, the residents must intimate the fire service. Once this is done, they must seek the help of other residents to move out of the building. Evacuation Plan An evacuation plan must

National Service Framework Essay Example | Topics and Well Written Essays - 2500 words

National Service Framework - Essay Example Integrated mental health services are to be provided for older people. The process of translating these nationally supported standards into local delivery is outlined. (www.dh.gov.uk). Quality Standard for Health Care was launched in February 2004 and puts the quality at the forefront of the agenda for the NHS and for private and voluntary providers of NHS care. It shows the quality of health organizations, including NHS Foundation Trusts, and private and voluntary providers of NHS care, will be expected to meet in terms of safety, clinical and cost effectiveness, governance, patient focus, accessible and responsive care, care environment and amenities, and public health. (www.dh.gov.uk). The Quality Standard will be a key part in the assessment in the performance as assessed by the Healthcare Commision of all health care organizations. The above mentioned characteristics of NSF and QS will be used to prove that they are doing something to improve their services. Articles and useful websites will be used to strengthen our claim that NSF and QS are doing something. The aims of NSF will be presented to further understand the importance and role of NSF not just only on elderly but to everybody as well. Using the Donabedian framework we will assess the effectivity of the framework by choosing an organization. The paper will assess whether the organization are meeting the national standard. Donabedian framework includes the structure, process and outcome. The organization to be assessed is located in Nottingham Street Melton Mowbray Leicestershire. 1st Choice Abbey Homecare was rated excellent by the Commission for Social Care Inspection (CSCI). CSCI are non government organization that inspect and report on care services and councils. It is an independent but setup by Governmentto improve social care and stamp out bad practice. Abbey Care Home was founded in March 2000 by Jayne LEE, who through remarkable dedication has established her agency with the support of five managers and a team of highly respected professional care workers. The head office is based in Reading and has direct communications for referrals from Social Services, Direct Payments service users and the private sector. Abbey Home Care offers all year round support. The type of service is care home with nursing (private) with 97 residents. The home care is comfortable for the adult they have 87 single rooms. They can have their own GP if required, pets are allowed but with arrangements, strictly no smoking. Internal access includes lift and wheelchair access. External access includes easy accessible local shops, near public transport, minibus or other transport. To help the old age patient feel comfortable the home care create a garden for residents, communication accessories such as own phone point in the room, television set in the rooms to make the patient feel comfortable. The home provides well maintained and pleasant accommodation and grounds. The home was very clean and tidy on the day of inspection. Staff at the home was friendly and approachable. People spoken to confirmed that staff is kind and respectful. The Abbey Care is structured the way the patient wants it to be. It is

Emphasis on Fitness for Men and Women Essay Example | Topics and Well Written Essays - 1000 words

Emphasis on Fitness for Men and Women - Essay Example By the same token, yoga and aerobics have been seen as programs of more interest to women than to men but men can benefit from them. Educating the public as to the various programs offered and why it is important to participate in a mix of programs is the focus of this paper. We live in a sedentary society. Watching television does nothing to stimulate the physical aspects of the body. Computers at home and in business cause more aches and pains than any exercise regime, without the benefits of exercise. People have a tendency to find the parking place closest to their destination at the mall or at the grocery store or at their place of business. The most recent concern as noted by the media is obesity. It has been determined that going on a diet is not the answer to losing weight. In fact, it can be more detrimental because of the loss and gain, loss and gain aspects of dieting. More and more, the public is being urged to follow a fitness regime, eating the right foods as a way of life and planning a total body makeover. However, the type of program followed should include more than one activity. For instance, it is just as important to learn muscle control as it is to practice weight lifting. This paper will discuss various fitness programs and the way s in which they can be combined to offer the most effective results. Each of the activities listed below will describe workout environment, gender identity, benefits of the activity and how to attract the public. Weight Lifting Although cardiovascular exercise on machines uses more calories than weight lifting, working the muscles in addition to the heart and lungs can also improve health. Increased muscle burns 50 extra calories every day of the week. One deterrent for weight lifting as a woman's activity is the fact that muscle, like fat, at first causes slight weight gain when the focus is on weight loss. However, it is overall appearance that matters and toned muscle is more important than what the scale says. Women are apt to be concerned about appearing muscle-bound but because they have less testosterone, they become sleek instead. According to John Litchfield, research shows that just two 15-20 minute sessions a week are enough to gain all the potential health benefits of strength training (par. 16). Running and Walking Running or jogging offers several benefits for those who are willing to commit to it on a regular basis. For some people, it acts as a drug, increasing endorphins for a sense of well being, and for others it is a chore, but running keeps the body toned, offers a way to meet people, burns calories, increases cardiovascular health and prevents the muscle and bone loss that comes with old age. The same benefits are realized for those who prefer walking to jogging (Cummings). The key to success is to plan this type of exercise in moderation because overuse can cause knee and foot problems. Pilates and Yoga A common belief about pilates is that it is a derivative of yoga, but that is not so (Ogle). Pilates focuses more on strength, and yoga focuses more on stretch. Ogle states that strength and stretch are part of both programs, but the difference is on emphasis. For those who prefer to do both, pilates gives them the stability they need to control and expand their yoga poses. The benefits of combining pilates and yoga are as follows (Ogle): 1. Graceful body development without bulky

Changes to the Role of a Quantity Surveyor

Changes to the Role of a Quantity Surveyor When trying to gather information on the origins of the quantity surveying profession it is not simple, several different authors have different theories on where the occupation arose from. Some feel that it is a 19th century creation, were others seem to think that the birth of quantity surveying stretches all the way back to ancient Egypt. However to attempt to obtain knowledge about quantity surveyings past I must assess all the theories to distinguish which seems the most viable. The Kenyan branch of the RICS opens the website speaking of quantity surveying being used in ancient Egypt, and also references a quote from the bible which was mentioned in Chapter 1; Suppose one of you wants to build a tower, will he not first sit down and estimate the cost to see if he has enough money to complete it. (Luke, 14:28). Seeing this as the start of the quantity surveying profession I feel is inaccurate but it can be seen as a basis from which it could have rose from. The act of planning ou t all you need has always been used in construction as well as other lines of work, for example a baker would not start baking until he has all the ingredients he needs. Nevertheless it may have been in such a case as the pyramids that some one person may have been assigned to ensure all materials where present and that every that was needed to construct them was there. If this were the case then it may very well have been the first use of quantity surveyors (QSs). The authors who have written about the subject of quantity surveying give little mention of this as their professions origin and choose to focus on more recent history to find their career roots rather than to early empires grand construction projects. Allan Ashworth and Keith Hogg are two well respected authors on the subject of quantity surveying and value in construction, so much so that they have taken over the mantle of writing the new versions of Williss Practice and Procedure for the Quantity Surveyor, a book seen as one of the best in quantity surveying circles. In the 2000 book Added Value in Design and Construction Ashworth and Hogg speak of the possible beginnings of quantity surveying: According to Thompson (1968), the roots of quantity surveying go back to the seventeenth century and to the Great Fire of London. There is evidence to suggest that firms of QSs were in existence at the end of the eighteenth century. According to Seeley (1988), the earliest records of a quantity surveying firm were in Reading, Berkshire, in 1785. There is little doubt that other firms were also in existence at the same time. In 1802, a number of Scottish quantity surveying firms gathered to produce the first method of measurement of buildings. In St Lukes Gospel (14:28) a story is recorded of the importance of counting the cost before you build implying that some form of these practices existed even in biblical times! (P 12-13) These authors seem to have no direct opinion on the matter but they do offer up the opinion of others as well as the aforementioned biblical quote. Thompsons belief was that that after the Great Fire of London in 1666, there was such a vast amount of work needed done and that the usual way of paying tradesmen by daily rates was unfeasible due to the amount of labour used. So it was deemed that a measure and value system would be best to allocate payment. This job was entrusted to architects but since they were so busy designing all the new buildings they employed other men to do the job; these men became known as measurers. Seeley and Winfield (1999) state that this method of measure and value surveying was common practice up to the middle 19th century but vaguely describe the aftermath that resulted in the creation of bills of quantities and competitive tendering. The origins of quantity surveying and indeed all surveying are detailed heavily in F.M.L Thompsons 1968 book, Chartered Surveyors, the growth of a profession. The opinion shared by Thompson (1968) and Seeley and Winfield (1999) is a popular one among authors however this opinion is not shared by Colin Dent in his book Quantity Surveying a Fully Metricated Text. In his eyes the birth of quantity surveying came in coincidence with that of the bill of quantities. Dent puts it that the bill of quantities arose from costly nature that was involved in pricing jobs in the 19th century. General contractors in this era where becoming aggravated with spending money measuring, pricing and preparing a tender for a job only not to get and have to incur the costs of an unsuccessful bid. It then left the contractor having to price in the cost of unsuccessful bids into his successful ones; this did not sit well with clients who were disgruntled that they had to pay for a contractors previous losing bid. It was heavily thought at this time that the lowest bid was the best, but it was often the case that the lowest bid came from an omission in the contracto rs own bill of quantities. This would leave the contractor the task of attempting to make the money up from somewhere else in the project. Again clients were displeased with this so it was decided around 1850 that a universal bill of quantities would be made from the client and sent to the contractors to price. Ferry, Brandon Ferry, 2006, see it differently; they believe that it was contractors who first used surveyors to draw up bills of quantities for them to price. A group of contractors would perhaps employ one surveyor with the winning bid then paying his fee. Architects suspected foul play in these bids with excessive wastage allowed and the possibility that contractors would fix so that one bid would win before all would get a pay out from the contract sum. The architect then took over employing surveyors to draw up one bill of quantities for all to price. Either way the bill of quantities system was seen as fair competition between contractors and gained recognition by 1880, and after it was used in the building of the Houses of Parliament and was successful it was then accepted as the most efficient and economical way of building. It is probably most likely from this point of the evolution of the bill of quantities that surveyors shook off the term off measurers and gained the term QSs as their job title. Another contrasting view is that of Duncan Cartlidge the author of New Aspects of Quantity Surveying Practice 2nd edition. The basis of his opinion also comes from the 19th century and the formation of the Royal Institute of British Architects (RIBA) in 1834. This move was made by architects to further them surveyors/contractors and their obnoxious commercial interest in construction. In his view the greater responsibility for the business side construction now given to surveyors/contractors created the need to have someone in charge of the managing of capital and quantities, thus the QS was born (Cartlidge, 2006). There are several views regarding the origin of the quantity surveying profession as I mentioned above. However when all views are looked at; an almost direct line events can be seen to occur where every stage seems to be a step in the evolution of quantity surveying. In this readers opinion the act of assessing material amounts for building and also the cost goes back to early civilisation. But it was not until after the Great Fire in 1666 that a full time job was created for someone to measure and value work done. Client and contractor dissatisfaction with payment of the final account and a fair method of tendering led to the birth of bills of quantities and it is the basis of measuring and value and the drawing up of bills of quantities that produced the traditional QS, which still exists today. This form of quantity surveying worked well in the late 19th century and early years of the 20th century, so much so that in 1909 the RIBA incorporated the bills of quantities into its standard building contract, thus making it a legally binding document (Dent, 1970)(Ashworth Hogg, 2000). In 1922 the first edition of the British Standard Method of Measurement of Building Works (or SMM) was adopted into the contract as a means for which works were measured. Its introduction was to alleviate confusion about which quantities were measurable (Ashworth, 1981). The practice of quantity surveying remained very much unchanged for many years; in fact it was not until after that Second World War that the traditional techniques came into question. The government began its task of rebuilding the country after the war and gave heavy public spending during the 1950s and 1960s for rebuilding of houses, schools, hospitals, roads, etc. (Ashworth, 2004). This in turn saw work for QSs rise as the government had spend huge sums of money on the war and had incurred large international debt, so keeping buildings cost low was a top priority (Thompson, 1968). In order to plan this spending properly and achieve value for money in the various projects, something additional needed to be done other than simply to measure and value the works as was the traditional method. The then Ministry of Public Buildings and Works and the RICS began to develop systems of financial control and evaluation for new buildings. This laid the foundation for further exploration into cost control techniques (Ashworth, 2004). In 1957 the Ministry of Education issued a bulletin that was a milestone in the practice as it introduced new methods of working and new principles of cost analysis and cost planning (Building Bulletin No.4 Cost Study). The bulletin initiated the idea of cost planning which set about to compare the cost of different design solutions and also designing within an overall cost framework. This meant that QSs would for the first time have to manage costs all the way through a construction project, whereas a previously they simply a drew up quantities from architect drawings at the start and helped settle accounts at the end. QSs would now have to compare different designs and different elements of buildings in an attempt to obtain cost efficiency, and then manage the expenditure throughout to ensure that the project was not over budget. This was the first use of elemental cost planning or designing to a cost and formally introduced the QS into the design team (Ashworth Hogg, 2000). The 1970s saw a huge increase in the amount of universities offering quantity surveying as an undergraduate course, in 1970 alone 30 polytechnics formed (Willis, 1987). Not only were there more quantity surveying students but there were more quantity surveying lectures, this meant that more research was being done on the profession, finding more and more ways to better itself (Ashworth Hogg, 2000). It was in this research that the holes began to be exposed in the traditional procurement method. Studies showed that clients wee not always obtaining value for money in the procurement of their buildings (Ashworth, 2004). In 1970 -1974 the UK seen a property boom so developers were anxious to get building, this forced fast track methods of procurement to develop as the traditional method was seen as too slow. Management contracting and forms of design and build were introduced. These methods did not require a bill of quantities so QS involvement was left to cost plan and try and keep the budget. These were unchartered water for QSs and there was a lack of cost certainty but it was tolerated as property values were rising so quickly (Cartlidge, 2009). The 70s also seen the introduction of computers something which many believed over time would end QSs. Sir John Egan, author of the wide reaching report Rethinking Construction, once told a group of graduates in 1999 that the construction industry will no longer be needing them to count the cost of a project computer technology would be doing it instead (Carvill, 1999). Adrian .J Smith, author of Computers and the QS, puts it that: The QS and the computer have been partners in an intense love hate relationship for over 30 years; indeed, it would be difficult to find any other profession in which the relationship between man and machine has generated, by turns, so much discussion; hope and optimism; disappointment and disillusion, (Smith, 1989) Of course they were not very well advanced in this era however they did give insight into how projects may be calculated and determined and began to challenge the perceived wisdom of the traditional methods (Ashworth, 2004) During the 1980s the quantity surveying profession started to witness radical changes to their traditional ways of working, and much of the change stemming from new procurement methods which seemed to spell the end for the bills of quantities. Procurement, a term not used until the 1980s, became an important area of activity, largely because of the increasing array of options available (Ashworth Hogg, 2006). These options came about as clients became dissatisfied with amount of time taken to procure through traditional tendering methods (i.e. bills of quantities). So new forms of procurement arose to try and meet client requirements, the main forms that were on the increase were Design and Build (D B), Management Procurement. Clients seen these methods as more beneficial for time and also because it handed more risk to the contractor in D B and to a management contractor in management procurement (Cartlidge, 2009). (The benefits of these types of procurements are discussed for lat er in this chapter). Some quantity surveying companies were very respondent to the change that management procurement brought about and began to adapt their practices, as D B hadnt much use for professional QSs. However it did create an opening on the contractors side for more cost control as they needed to manage their own construction costs. The practice of cost modelling which was introduced in the previous decade had been studied further. While the profession was looking for new ways of estimating away from the bill of quantities, the cost modelling method was, and still is, seen as too radical and requiring too much practice from the security of a reasonably reliable yet imperfect system of the bill of quantities (Ashworth Hogg, 2000). The emphasis of building costs was high on the agenda and it was also during this time that attention shifted from initial construction costs alone to a more comprehensive overall view of the costs over the entire life cycle of the project. Who le life costing takes into consideration the initial procurement, design and construction costs as well as fees and charges. It also takes into account the operational costs such as maintenance, repairs and energy expenses, and the cost of disposal and recycling of the building is also included (Cartlidge 2009). Eventually all of these aspects would be considered within the emerging practice of facilities management. These considerations provided yet another shift towards adding value to the industry and its clients. This recognised that to examine the initial costs of construction within the context of whole costs that it might yield an overall better financial situation for the client (Ashworth Hogg, 2000). Two other new aspects of costing that came about in the 1980s were value management and facilities management. Value management or value engineering arrived in the UK in the 1980s but in some sense it already existed, as mentioned earlier the government wanted cheaper building s after the war, so cost planning in this era focused on acceptable products for the least cost which in essence is what value can be defined as (Kelly, Morledge, Wilkinson, 2002). Facilities management was also introduced as from of project management that went much further than just managing the construction. Aspects of the building such as its infrastructure, its environmental impact, its maintenance and its communication links all came under the role of a facilities manager (Ashworth 2004). Basically it was not just managing the buildings construction but managing the building as a whole. Value management was a natural progression for QSs as they were the experts on buildings product costs so they were able to inform the client on all options and help provide the selection which bore the most value. The RICS recognised this change when it published its report of a study of Value Engineering and Quantity Surveying Practice in 1987. Facilities management was further away from the traditional QSs way of working and closer to a profession which specialised in project management, however with many believing at this time that QSs were heading down that route this line of work was seen as a future possibility for QSs. During the 1990s several key reports were produced that assisted in the new directions of the QS profession, they helped to formulate a future direction and strategy, emphasising the changing nature of society in general and the construction industry and the profession within it (Ashworth Hogg, 2000). The first in 1991 was made by Davis, Langdon Everest, one of the largest QS firms in the world at present, wrote the report QS2000: The Future Role of the Quantity Surveyor which focused on the changes in the construction industry and how it was affecting the profession. The important point stressed in this report was that QSs needed to learn to manage more effectively the time and quality as well as the cost in an attempt to add value into a clients business and construction project. The report also identified widening markets and diversification for the quantity surveyor, suggesting three key areas of future activity: value management, procurement management, and facilities manageme nt. The idea of more research and development into better QS practices was promoted as it was as another way of adding value for the client (Davis, Langdon, Everest, 1991). The RICS The core skills and knowledge base of the quantity surveyor report released in 1992 affirmed a lot of the points raised in the 1991 Davis, Langdon and Everest report. It also raised point that QS may need to change the way they address clients and professionals to try and make clear to clients the services they offer (RICS, 1992). Constructing the team was a report written by Sir Michael Latham in 1994 which had far reaching consequences on the construction industry and those employed in it, including quantity surveyors. The report called for more standardisation of design and construction by establishing more functional and efficient supply chains. More transparency in costing between the professionals and clients was seen to be needed; this was of particular interest to QSs as target of reducing cost by 30% was set by the report. The report also encouraged more teamwork in all construction teams to produce a product that all, including the client, could be justifiably happy with. This point also highlighted QSs as they did at this time have a reputation as difficult to deal with professionals for the client (Cartlidge 2006). Sir John Egan, a keen advocate of Sir Michael Lathams report and known to be a person to be a person convinced of the need of change in the industry was appointed as head of the Construction Task Force (Cartlidge, 2006). It was Egans opinion; that while some of the construction industry learned from the Latham report, not enough was done to meet the targets set out within it. In 1998 Sir John Egan published his own report titled Rethinking Construction. This report was seen as the blueprint for the modernisation of the systems used in the construction industry to procure work. The Egan report revealed in a survey of major UK property clients that many still dissatisfied with the services performances offered by both contractors and consultants. These clients revealed that: More that a third of them thought that consultants were lacking in providing a speedy and reliable service They felt they were not receiving good value for money insofar as construction projects did not met their functional needs and had high whole life costs They felt that the design and construction should be integrated in order to deliver added value There was a failure to keep within agreed budgets and the completion schedules. (Rethinking Construction, Sir John Egan, 1998) These points were damaging to consultants and in particular quantity surveyors who a lot believe were one of the guiltiest of these failings in the industry. Responding to this report, in 1999 Building magazine published the article The QS: a profession on the brink. The magazine conducted its own survey of over 12,000 QSs and the overwhelming feeling was one of anxiety about their future. The survey shows that QSs are concerned about the rapid erosion of their traditional role, their inability to persuade clients that they can significantly contribute to their projects, and the threat posed by acquisitive rivals and by other professionals such as management consultants and accounts 75% of QSs asked believed at this stage that new software packages were replacing their traditional cost modelling role; in fact a senior partner of Davis, Langdon Everest is quoted as saying that traditional quantity surveying, especially the calculation of BoQs, is on the way out. Many senior QSs in large firms such as Cyril Sweet and Bucknall Austin believed the profession was heading into management consultancy that specialise in construction. The latter in fact now referring to themselves as construction economists. This article seemed to spell the end for the QS as it was followed by more articles that sang from the same hymn sheet (Building, 1999). Adapt or Die (2000) called on QSs to find a new niche in the industry as their traditional role of measuring and drawing up BoQS was fading fast. It referred to QSs as an endangered species and that it was a case of survival of the fittest, the fittest being the surveyor who adapts and diversifies to a changing industry. Many practices have already evolved, reinventing themselves as cost consultants or construction cost advisors, or diversifying to become project managers, construction managers or total service providers offering professional management services to the industry not a word about cost in there at all. (Building, 2000) A year later (2001) a further article entitled What is the use of QSs stated through a survey that the general public had little or no idea of what a QS does. The author suggesting that construction law was an appropriate landing spot for diversifying QSs citing that their cost expertise could be a valuable tool in dispute resolution. The article also followed the theme of others implying that the traditional role was dying (Building, 2001). A lot of the articles around this time were in response to the 1999 survey carried out by Building magazine, so in that respect their fear inducing titles seemed to be on the mark. But five years on the same magazine was speaking quite differently. From forecasting that the QS profession may be on the brink, they were now stating that not only were QSs in high demand, but that their services were on the rise all over the world. The 2004 article Rocking All Over the World tells of how some of the UKs largest QS firms were expanding into foreign markets such as the Middle East, China, North America, Europe and other Commonwealth Nations. Richard Steer, senior partner of Gleeds a large QS firm, commented Just as were trying to lose the name quantity surveyor we are getting requests for QS services. It should be highlighted from the article that while there was an increase in QS demand, it was not for the traditional QS services. The industry was interested in professionals with expertis e in sustainable construction, dispute resolution and adjudication, cost control techniques, procurement advice and also the need for an independent voice in the construction process (Building, 2004). It is not surprising that QSs were in high demand in this era. The world was on the forefront of building boom as property around the world went up at a dizzying pace in places like Dubai and Beijing (for the 2008 Olympic games) for example. What should be noted form this was the services they were offering. Williss Practice and Procedure for the Quantity Surveyor 12th ed (2007) depicts how the role of a QS had evolved from the traditional in 1960 into the present (see Fig. 1.1) Single rate approximate estimates Cost planning Procurement advice Measurement and quantification Document preparation, especially bills of quantities Cost control during construction Interim valuations and payments Financial statements Final account preparation and agreement Settlement of contractual claims Fig. 1.1 Traditional quantity surveying activities 1960 Investment appraisal Advice on cost limits and budgets Whole life costing Value management Risk analysis Insolvency services Cost engineering services Subcontract administration Environmental services measurement and costing Technical auditing Planning and supervision Valuation for insurance purposes Project management Facilities management Administering maintenance programs Advice on contractual disputes Planning supervisor Employers agent N.B. some of traditional activities may still be part of a present day QSs role such as procurement advisor or cost planning. (Ashworth Hogg 2007) Williss book also gave insight into what the future may bring for the QS, all of which are spoken about today and are considered to be the most recent QS responsibilities to have developed. Activities such as: Environmental and sustainability analysis Supply chain management Facilities management Legal services Quality management Automated measurement and quantification Taxation and investment advice relating to projects (Ashworth Hogg, 2007) (Cartlidge, 2009) When looking at the list of traditional of activities for quantity surveyors compared to the present day role which the practice, it shows up a profession that has vastly evolved in the amount of services that it has the potential to offer to the construction industry. Yet still today QSs are challenging themselves to take on more as to stop other professions poaching their business. Stuart Earl of the RICS in this article in the Construction Journal speaks of the need to adapt to stop outside intrusion. His article New tools for the trade covers the topic of the rules of measurement issued by the RICS. The new rules of measurement: order of cost estimating and elemental cost planning is set of comprehensive rules for calculating the cost of the whole project, not just the building works which the Standard Method of Measurement (SMM) currently does. This initiative is a bid by the RICS to incorporate whole life costing into the framework of the QS role and to promote value for money thinking. Stuart Earl describes the rule as: our professions statement of the minimum technical standard required to carry out measurement at all stages in the life of a building. If we do not rise to the challenge, others may do it for us, or worse, we may find ourselves losing out to accountants. (RICS Construction Journal, Aug, 2009) Michael Sullivan, the chairman of the QS Construction Professional Group of the RICS, details a similar problem for QSs. His article from the Construction Journal, The vital link, he tells of QSs need to embrace sustainability in the industry so that it becomes a part of the quantity surveying framework for the future professionals to adopt rather than another profession. the next generation of QSs will want to know what you are doing about sustainability, expecting you to understand it more than others, like management consultants (RICS Construction Journal, Dec, 2009) Ever since quantity surveyings traditional practices were questioned in the wake of the Second World War, QSs have been faced with the challenge of diversifying and justifying their profession. Although on the small to medium scale the traditional practices are still alive (with some modern innovation, e.g. Information technology advancement), the large scale projects and firms are very much different (Cartlidge, 2009). And it is no surprise that the companies that have done the best are those that have adopted the Egan ethos of value for money and became more client focussed thus changed and added to the QS services they offer. It seems possibly that to succeed the QS industry hinges on the amount of services you can provide to fulfil a wide variety of client needs.

The Affliction Of Polio In Africa Biology Essay

AbstractionThis essay investigates the grounds why Goma ( in DRC ) is more affected by infantile paralysis than Gisenyi ( in Rwanda ) . The two parts on which the probe is about are neighbors ; they have the same clime and the same geographical construction. This probe was carried out utilizing field work. I started my probe by inquiring inquiries to physicians so that I would hold more thought of what infantile paralysis was. After that, I selected the factors I would look into on in order to cognize why Goma is more affected by Polio than Gisenyi. The factors selected are: the environmental factors, handiness of wellness attention and the cognition the population has about infantile paralysis. For the environmental factors, the clime and the hygiene were considered and investigated on. In the instance of the handiness of the vaccinum, I asked inquiries to the people in charge of the inoculation plans in each part. For the cognition about infantile paralysis, inquiries were asked to 70 female parents in each part about their consciousness about infantile paralysis. The decisions I drawn from this probe is that neither the handiness of the vaccinum nor the consciousness of the population contributes to the difference in infantile paralysis instances between the two parts. Amongst the environmental factors merely the hygiene contributes to the difference in infantile paralysis instances between the two parts. The chief ground why Goma is more affected by infantile paralysis is that the population there is populating without holding basic demands and in add-on to that, non all the kids are vaccinated. The poorness stops the parents from boiling the H2O before giving it to their kids and the war is doing the parents move from one topographic point to another and as a consequence, the kids do non acquire all the three doses of the vaccinum which makes them susceptible to acquire infantile paralysis.Introduction:Poliomyelitis or infantile paralysis is an infective disease caused by a virus that was foremost discovered in 1909 by Karl Landsteiner ( 18 68 -1943 ) . Polio largely affects kids that are less than five old ages old. Polio is eradicated in Europe, in USA, and in Australia since the 1990 ‘s[ 1 ]. However there are still some instances of infantile paralysis in Asia and really many instances in Africa. The virus that causes infantile paralysis is known as the poliovirus. The poliovirus is a really contagious virus that can distribute really easy and really rapidly from one individual to another.[ 2 ]The incubation period of infantile paralysis can be really short ( 4days ) or long ( 14 yearss ) .[ 3 ] The poliovirus can merely infect worlds. It is really common in tropical climes and during summer in temperate clime ; it is rapidly inactivated by heat.[ 4 ]The poliovirus can populate in an environment that has a temperature between 18 A °C and 40 A ° C There are two chief types of infantile paralysis: the first type is caused by the wild infantile paralysis. This is the 1 in the environment, the one people get by imbibing contaminated H2O or by being in contact with contaminated fecal matters. The 2nd type is the vaccinum infantile paralysis. This is the infantile paralysis people get because of the vaccinum that contains weak poliovirus. This happens when for illustration a kid who was ill and has non recovered yet is vaccinated. In this instance the immune system of the kid is weak and ca n't battle the weak polioviruses. The difference between the two types of infantile paralysis is that the wild infantile paralysis causes a palsy that is non reversible while the palsy caused from the vaccinum infantile paralysis is reversible significance that the individual can go normal once more after few yearss. Poliomyelitis can distribute in different ways. The most common manner is the fecal unwritten transmittal ; the other manner is the unwritten -oral infantile paralysis transmittal[ 5 ]. The fecal unwritten transmittal is when a individual is in contact with the fecal matters of an septic individual. It occurs in countries where the hygiene is hapless. In countries where the sanitation is better, the spreading will happen utilizing the oral- unwritten transmittal which occurs when an septic individual sneezes or coughs in the presence of non-infected people. In this instance the non- septic individual will be in contact with droplets or spit. Insects such as flies can besides be agents of transmittal of the virus.[ 6 ]The virus can besides distribute through contaminated nutrient and H2O.[ 7 ]Not all the people that are in contact with the poliovirus acquire ill. They will merely hold something that looks like a bad cold. Those people can move as bearers and can infect other people. O nce a individual is paralysed, that individual ca n't pollute the others. The individual is merely contagious during the incubation period of the poliovirus. The virus can come in the being through the air ( nose, larynx, amygdales, ) but largely it enters the being through the digestive system.[ 8 ]When the virus is in the being, it develops and multiplies in the bowels and so goes to the nervous system where it causes a palsy in few hours.[ 9 ] The poliovirus can impact three different parts of the organic structure. The first portion is the encephalon ; in this instance the individual affected dies. The 2nd portion is the respiratory system, cut downing the external respiration capacity of the septic individual. This largely consequences to decease if the individual does non hold aid from take a breathing machines. The 3rd portion is the legs. In this instance the virus amendss merely the nervousnesss that control motions. The palsy caused by the poliovirus is known as a floppy Paralysis. The individual will non be able to walk unless assisted with crutches or with prosthetics. In Africa, the bulk of the instances of infantile paralysis are coming from hapless households. Those who have their respiratory system affected by infantile paralysis merely die because they ca n't afford to purchase the setup assisting to breath. For those who have the legs paralysed they ca n't purchase the prosthetics which cost around 350 $ ( this being the cheapest ) . Most of the paralysed people merely hope that person takes attention of them or in most instances they become mendicants on the street because their households think they are a charge and do n't desire to take attention of them. Poliomyelitiss can non be cured. Since infantile paralysis is caused by a virus, the antibiotics do n't hold any consequence on it. In order to kill the poliovirus, the host cell has to be killed besides. The lone thing the physicians can make is to bring around the symptoms such as febrility. When a kid becomes paralysed the lone thing that can be done is the rehabilitation. The fact that infantile paralysis can non be cured does non intend that it ca n't be prevented. One of the bar methods used is inoculation. The vaccinum for infantile paralysis is unwritten. It contains weak polioviruses. Four doses have to be given for the vaccinum to be effectual. The first dosage is given at the birth ; the 2nd 1 is given when the babe has 6 hebdomads, the 3rd at 10 hebdomads and the 4th and last dosage at 14 hebdomads. Another bar method that can be used is to imbibe poached H2O. In Africa, people in the small town acquire the H2O they need from the lakes and rivers near their houses. The H2O from the lakes can be really unsafe because it is the same H2O in which people wash their apparels and many people do their fecal matters near the H2O. If person is affected by infantile paralysis and realeases his/her fecal matters in the H2O, the poliovirus will travel in the H2O and will impact the kids who will imbibe that H2O. In order to avoid that, the parents should boil the H2O before giving it to their kids. In that manner non merely the poliovirus will be killed but besides all the other viruses and bacteriums that was in the H2O. In this essay we are traveling to see what can do two parts have different infantile paralysis instances. To look into this, I have chosen the part of Goma ( in DRC ) and the part of Gisenyi ( in Rwanda ) . This is deserving look intoing because infantile paralysis can be contaminated through the air and the fact is that there ‘s a batch of contact between the populations of the two parts. Since there ‘s a batch of contact between the two populations and that infantile paralysis can be transmitted in the air the inquiry is why one portion of the population is more affected than the other? The part of Goma and the part of Gisenyi are neighbors. They are non in the same state ; Goma is in DRC while Gisenyi is in Rwanda. Both the parts have the same geographical construction. Both are hilly and portion the same lake: Lake Kivu. Even though they have the same clime and geographical construction, the two parts are non affected in the same manner by infantile paralysis. The part of Goma is more affected by infantile paralysis than the part of Gisenyi. In fact most of the kids in Goma are affected by infantile paralysis while in Gisenyi the opportunity of holding a kid affected by infantile paralysis is approximative to 0 % .What makes the part of Goma more affected by infantile paralysis than the part of Gisenyi?Many things can do these two parts so different in the manner infantile paralysis affect them in this essay, three factors were used to look into why Goma is more affected by infantile paralysis than Gisenyi. Three factors are: The environmental factors, handiness of the vaccinum and wellness attention, and the consciousness amongst the people. The environmental factors For the environmental factors the clime and the hygiene will be considered. The clime of the two parts is the same ; hence, the clime can non be among the grounds why the rate of infantile paralysis is different in the two parts. They both have the same temperatures and clime. Since Goma and Gisenyi have the same clime this can non be a ground why Goma has more infantile paralysis instances than Gisenyi. The handiness of public lavatories for the people who do n't hold modern houses with lavatories in them and a good hygiene can be included as an environmental factor. The usage of public lavatories is one of the preventative methods used to avoid infantile paralysis. The public lavatories are suggested because most of the people do n't hold the capacity to construct houses with lavatories. In Gisenyi and Goma the public lavatories are available but they are in really bad conditions ; due to that people do n't utilize them. Most of the kids and the parents let go of their fecal matters near the Lake Kivu, in which they go to bring H2O. This increases the rate of spreading of infantile paralysis particularly if the non-vaccinated kids drink the H2O from the lake straight without boiling it and that the H2O contains the infantile paralysis virus. The image below shows kids from Goma bringing soiled H2O. Picture nA ° 1 ( From my camera ) The fact is that in Goma most of the people live either in a refugee cantonment or in really hapless conditions. Those who live in refugee cantonments do non hold good sanitation installations. There are many people populating in a little country ( eg: two households in one collapsible shelter ) which facilitates the spreading of diseases such as cholera and infantile paralysis among the kids. The other 1s who do n't populate in refugee cantonments live in really bad conditions because of the war and the insecurity. Refering the hygiene there ‘s a large difference between the two parts in the sense that in one ( Gisenyi ) people have reasonably acceptable life conditions which enables them to hold a good hygiene while in the other ( Goma ) people are populating in bad conditions which makes them non able to hold a good hygiene. The handiness of the vaccinum and wellness attention The handiness of the vaccinum and wellness attention are finding factor in the sense that if the vaccinum for infantile paralysis is available, fewer kids will be affected by infantile paralysis. This besides include whether people can afford to pay for the vaccinum or non. In Rwanda, the vaccinum is available and free for everyone. Therefore in Gisenyi, which is one of the parts of Rwanda, the vaccinum is available and free. In Goma the vaccinum is besides free. In fact people from the public wellness section are sent to near the parents to immunize their kids. In both the parts the medical Centres are near to the people. One difference is that in Gisenyi the population has an insurance provided by the authorities in order to ease the entree to medical attention while in Goma the people have to pay for themselves. The fact that the vaccinum is available in Gisenyi explains why there are few instances of infantile paralysis. The inquiry now is to cognize why there are more instances of infantile paralysis in Goma when the vaccinum is besides available and free at that place. The 2008 statistics by Unicef showed that in Rwanda, 95 % of the kids where immunized against infantile paralysis while 89 % merely were immunized in Congo.[ 10 ] Public consciousness about infantile paralysis If the vaccinum is available the figure of kids affected by infantile paralysis will depend on the figure of kids who were vaccinated. The figure of kids Vaccinated will depend on how cognizant parents are that their kids have to be vaccinated. There is no point of doing the vaccinum available if the parents do n't take their kids for inoculation. This can be a ground why Goma has more kids affected by infantile paralysis than Gisenyi. If the parents in Gisenyi are more cognizant about infantile paralysis than the 1s in Goma this can explicate why the kids in Gisenyi are less affected by infantile paralysis than the kids in Goma. In order to look into that, few inquiries were asked to parents holding kids less than five old ages old in the two parts. 70 parents from each part were asked the undermentioned inquiries: Make you cognize what infantile paralysis is? What do you cognize about infantile paralysis? Are your kids vaccinated against infantile paralysis? What do you make when your kid is ill? Make you boil or set chemicals in the H2O before giving it to your kids?[ 11 ]PRIMARY DATAThe following tabular array shows the consequences got in the different parts Table nA °1GisenyiGomaNumber of parents cognizing about infantile paralysis 0 2 Number of parents that have some thought about infantile paralysis 27 39 Number of parents that have no thought about infantile paralysis 43 29 Number of parents that take their kids for inoculation 67 59 Number of parents that do n't take their kids for inoculation 3 11 Number of parents that take their kids to the physician when they are ill 64 33 Number of parent that leave their kids place when they are ill 4 29 Number of parents that take their kids to witchdoctors when they are ill 2 8 Number of parents who boil or put chemicals in the H2O before giving it to their kids 41 8 The undermentioned graph shows us the consequences gotGraph nA °1From the graph above we can see that refering the cognition about infantile paralysis the parents in Goma are more cognizant about that disease than the parents in Gisenyi. We can see from the graph that there are more parents in Goma who really know what infantile paralysis is than in Gisenyi. Most of the parents in Gisenyi have no thought of what infantile paralysis is. Some parents even thought that it was a disease caused by malnutrition. The fact that more kids in Gisenyi are vaccinated than in Goma can explicate why there are more instances of infantile paralysis in Goma than in Gisenyi. However that is non all. From the consequences we can see that there are more parents who take their kids to the physician when they are ill in Gisenyi than in Goma. This is because in Gisenyi the parents have insurance and can afford to take their kids to the infirmary when they are ill. In the instance of Goma, the parents do n't hold any insurance and have to pay for themselves. When the parents in Goma were asked why they do n't take their kids to the physician when they are ill, most of them said that they ca n't afford to take their kids to the infirmary. The fact that there are more childs vaccinated in Gisenyi than in Goma can be explained by the fact that less parents in Goma go to the infirmary. Because they have to pay for themselves, they do n't take their kids to the infirmaries believing that they ‘ll hold to pay for the vaccinum. We can see from the statistitics that about 16 % of the female parents do n't take their kids to the infirmary. The fact is that some female parents do n't even give birth in the infirmaries. If they did, the kid would automatically have the first dosage of the vaccinum and the female parent would be told that the vaccinum is free. The households in Goma do n't hold a beginning of gross. Some were husbandmans but can no longer cultivate their farms because they live in refugee cantonments. In fact they ca n't cultivate even if they leaved outside the refugee cantonments because Goma is a part of high volcanic activity. The bulk of the land is covered with larva, there ‘s no manner to works anything at that place. In add-on to that, there are more parents in Gisenyi who boil the H2O or put chemicals in it before giving it to their kids. To the parents who do n't boil H2O or put chemicals in it were asked why they do n't make that. Most of the female parents in Gisenyi answered that â€Å" since I was immature I ne'er drunk poached H2O and I ‘m healthy, why should my kid acquire ill if I did n't. † those in Goma explained that they ca n't afford to make that but if they could, they would boil the H2O before giving it to their kids. The kids in Goma drink H2O that is non purified and are non vaccinated. This is why they get infantile paralysiss while for the kids of Gisenyi, they drink poached H2O and even for those who drink H2O that is non boiled have the insurance that they are vaccinated and that they wo n't acquire polio. There are no instances of infantile paralysis in Gisenyi, so, there ‘s no 1 to convey the disease. The consequence got from my research can be supported by the unicef statistics about the sanitation, and improved imbibing H2O in Rwanda and in Congo The tabular array below shows the studies from unicef about the sanitation installations and imbibing H2O. This besides includes the % of kids vaccinated against infantile paralysis.[ 12 ]Table nA °2Rwandese republic Zaire % of population utilizing improved sanitation installations in the rural countries 47 % 19 % % of population utilizing improved imbibing H2O installations in rural countries 61 % 35 % % of kids immunized against infantile paralysis in entire 95 % 89 % The fact that the parents in Goma have some thought about infantile paralysis is supposed to do Goma less affected by it than Gisenyi where the parents are non cognizant which is non the instance. This can be explained by the fact that in Goma, even though the parents have some thought about what infantile paralysis is they do n't take their kids for inoculation. The parents in Gisenyi take their kids for inoculation. Most of the parents in Gisenyi do n't cognize why they have to immunize their kids they do it because they were told to make so and that since the vaccinum is free, they do n't free anything by taking their kids for inoculation. For the parents in Goma their job is that they are non stable ( i.e. : they move from one topographic point to another ) . Because of the war and the insecurity in Goma, the population keeps traveling. My theory is that due to the instability of the population in Goma, parents do n't take their kids for inoculation. That would explicate the fact that even thought the parents are cognizant about infantile paralysis, they do n't take their kids for inoculation doing them vulnerable to that disease. To verify whether my theory is true, I asked 50 parents from each part some inquiries about their manner of life. The inquiries asked are: Where make you populate? Make you populate in a refugee cantonment or in your ain house? How frequently do you travel ( go forth your house or refugee cantonment ) ? What is the ground of your instability? * When you move do you believe about taking your kid for inoculation? *[ 13 ] The tabular array below shows us the consequences gotTable nA °3GisenyiGomaNumber of parents populating in a refugee cantonment 0 13 Number of parents populating in their ain house 50 37 Number of parents who stay in the same topographic point during the whole twelvemonth 41 28 figure of parents traveling one time in twelvemonth 2 3 figure of parents traveling twice a twelvemonth 7 4 figure of parents traveling more than twice a twelvemonth 0 15 Number of parents taking their kids to inoculation after traveling 1 2 The tabular array below shows the consequences in %Table nA °4GisenyiGoma% of parents tliving in a refugee cantonment 0 % 26 % % of parents populating in a house 100 % 74 % Overall % of parents traveling at least one time in a twelvemonth 18 % 44 % % of parents taking their kids for inoculation after traveling 11.1 % 9.09 % The graph below shows us the consequences got:Graph nA °2The consequences got support my theory that the parents in Goma do non take their kids for inoculation due to the instability. We can clearly see that in Gisenyi all the parents live in their ain house which is non the instance for Goma. My consequences besides show that there are more parents in Goma who leave their places compared to Gisenyi. The instability of the parents is caused by different grounds in the two parts. In Goma the instability is non merely due to the war, it is besides caused by the volcanic activity while in Gisenyi, the instability of the parents is due to their work ( ie: move from one topographic point to another harmonizing to seasons ) . More parents in Gisenyi think about taking their kids to inoculation compared to Goma. This could explicate the fact that more kids are affected by infantile paralysis in Goma in the sense that more kids in Gisenyi receive all the doses of the vaccinum compared to Goma. In Goma, when the parents are obliged to go forth the country because of the war, they do n't hold the clip to take the kid for the 2nd dosage because they are busy seeking to last in hard conditions, and since the vaccinum is non effectual if all the four doses are non given, their kids are susceptible of holding infantile paralysis if they are in contact with the poliovirus.Decision:With all this we can reason that Goma is more affected by infantile paralysis than Gisenyi because most of the kids in Gisenyi are vaccinated which is non the instance in Goma. The fact that more kids are vaccinated in Gisenyi than in Goma is non due to the handiness of the vaccinum and the consciousness of the parents, it is because in Goma, the parents are more bemused by lasting than by taking their kids for the inoculation. The war is doing the population in Goma live in really hapless conditions. Their kids do n't have all the four doses of the infantile paralysis vaccinum which makes them vulnerable to polio. The deficiency of hygiene in Goma particularly in the refugee cantonments explains the fact that there ‘s more infantile paralysis in Goma than in Gisenyi. The fact that the kids lack hygiene and unrecorded together increases the rate of spreading of the disease. Apart from the fact that there is war in Goma, the people are besides hapless. They do n't hold the clip to take attention of their kids. Most of the parents have many kids and ca n't take attention of them. They are busy the whole twenty-four hours seeking to acquire some money to feed their kids. When their kid is ill, they either leave the kid place or pray he will be all right shortly or if the disease is grave, they take the kid to the traditional physicians who are less expensive than the modern physicians. Harmonizing to many parents the traditional physicians are more effectual than the modern physicians because they are inexpensive and that they use herbs to bring around, which are better than the pills given by the modern physicians. Most of the parents in Goma cognize how their kids can acquire polio and they know how to avoid it but they merely do n't hold any pick. They ca n't afford to boil the H2O or to set chemicals in it. The ground why Goma has more polio instances is largely due to the war and to the instability of the population. We can see that clearly from the fact that the parents in Gisenyi are less cognizant about infantile paralysis, but since they are stable and that they were told to take their kids for inoculation they take them. They besides have the ability to purchase wood to boil the H2O. The hazard now is that since Goma and Gisenyi are neighbors and that there are refugees from Goma in Gisenyi, infantile paralysis will distribute and impact kids from Gisenyi besides. That ‘s why the female parents in Gisenyi are sensitised to immunize their kids. Some of them do n't see the intent of inoculation and do n't cognize the hazard they are taking. Because of that, infantile paralysis which was eradicated in Rwanda might come back if all the kids are non vaccinated. Since the two parts portion the same lake and that kids do their faces in near the lake, there ‘s a opportunity that the infantile paralysis virus might distribute through the H2O if the kids drink the H2O without boiling it.

Opportunities And Threats For Building Environmental Sciences Essay

Every individual on Earth is exposed to environmental radiation. This radiation consists of natural radiation, cosmic radiation and external radiation. External radiation derives from the medical activities, such as X raies or accidents in atomic workss, while natural radiation derives from the decay of radioisotopes in dirt or in bedrock. These radioisotopes may be answered either as a consequence of human activities, such as Strontium-90 ( A ­90Sr ) and Technetium-99 ( 99Tc ) or with physical presence like Uranium-238 ( 238U ) . The decay of 238U green goodss Radium-88 ( 88Ra ) and the decay of 88Ra, eventually produces Radon-222 ( 222Rn ) . Since the 2nd portion of twentieth century when plentifulness of mineworkers suffered from lung malignant neoplastic disease, a batch of research has been conducted on the effects of Rn on worlds. The last 20 old ages and more, the effects of Rn in residential sector have been investigated. Because of this the undermentioned study was necessary to discourse the issues with Radon in homes.2. Radon, beginnings and effects2.1 Radon Radon-222 is a chemical component which has atomic figure 86 and belongs to baronial gases. ( Table 1 ) What is more, it has 3 chief characteristics: it is colorless, odorless and tasteless, and as a consequence it can non be traced by human senses. In add-on, it is chiefly in gaseous stage and and its half life is 3.83 yearss. Al-Saleh ( 2007 ) writes that the half-life clip of Rn makes it more of import than other isotopes ( 220Rn, 219Rn ) . Because of the fact that Rn is radioactive, it comprises a risky component for human wellness. Table 1 Beginning: hypertext transfer protocol: //en.wikipedia.org/wiki/File: Periodic_table.svg Finally, radon concentration is measured in Becquerel per three-dimensional metre ( Bq/mA ­A ­3 ) in SI and harmonizing to UNSCEAR ( 2006 ) ; typically Numberss for indoor and out-of-door concentration are 100 Bq/ mA ­A ­3 and 10 Bq/ mA ­A ­3 correspondingly. A 2nd unit for radon concentration is picocuries per liter of air ( pCi/L ) and the relationship between the two units is: 1 pCi/l is tantamount to 37 Bq/m3. 2.2. Radon out-of-doorss As mentioned before, Rn is produced in dirt or in bedrock from the decay of Uranium. Because of its gas stage, Rn is diffused in permeable dirts through clefts and so it can be released to the ambiance. When the component enters in atmosphere, it is dispersed and so the concentration is really low. Therefore, radon out-of-doorss is non unsafe for human wellness. 2.3 Radon indoors Harmonizing to BRE ( 1991 ) , â€Å" Rn enters in edifices chiefly by air flow from the underlying land. † Radon is the densest gas, as a consequence to be concentrated below edifices. In add-on, the different force per unit area between the dirt and the indoor may do clefts on the ground-floor concrete slab which are the way that radon gas discoveries to come in the edifice and that difference is besides the necessary force which radon demands to come in. ( Figure 1 ) EPA ( 2012 ) indicates that good H2O and edifice stuffs are besides means with which Rn is transferred into houses. However, it continues reasoning that Rn through stuffs is non unsafe every bit good as H2O, when its beginning is surface H2O. After come ining inside the house, Rn is trapped and it starts to disintegrate. This poses a menace for residents because ; as UNSCEAR ( 2006 ) argues â€Å" radon and its decay merchandises cause lung malignant neoplastic disease † . Khan ( 2000 ) explains that this phenomenon is happened because the restricted airing inside the houses permits Rn and its girls to make high degrees of concentration. Therefore, they enter in human organic structure through respiratory and they are deposited in the lungs. Finally, Rn and its girls, particularly ephemeral offsprings: Polonium- ( 218, 214 ) , Bismouth-214 and Lead-214 emit alpha atoms which lead to malignant neoplastic disease. As WHO ( 2009 ) references, Rn is deemed the 2nd cause after smoking for lung malignant neoplastic disease in the general population. Figure 1: all possible waies which radon can follow Beginning: BRE 19993. Radon: Protective-remedial stepsEPA ( 2012 ) writes that new edifices should be built with Rn protection steps and should besides be tested for Rn concentrations after tenancy. BRE ( 1999 ) , EPA ( 2012 ) and WHO ( 2009 ) reference that all the bing edifices should be tested for radon concentration. However, as EPA ( 2012 ) argues, there is non a degree of radon concentration that it can be deemed as a safe figure. This is explained by WHO ( 2009 ) which writes that the invariably exposure to â€Å" low or moderate † Rn concentrations causes more lung malignant neoplastic disease instances than exposed to high. Therefore, even if homes have concentrations & lt ; 4pCi/L, remedial steps should be implemented for cut downing the figure to the lower limit. 3.1 Protective steps for new homes Basic Rn protection Initially, new homes can be protected by implementing a radon-proof barrier between the dirt and ground-floor concrete slab. This technique is named â€Å" basic Rn protection † ( BRE 1992 ) and can be used to a suspended, unmoved and ground-supported concrete floor. In peculiar, a damp-proof membrane is installed between concrete floor and floor toping ( Figure 2, 3 ) or under them ( Figure 4 ) which secures the airtightness of the house. It is significant to be mentioned that this method should be implemented decently because there are many dangers like damaging the uninterrupted signifier of the membrane. In add-on, this membrane should cover any wall pits so as to be a barrier for Rn and by and large be uninterrupted to the whole building site. If any specific country demands to be sealed or lapped, chiefly articulations, it should be done right. Therefore, craft should be high-quality. Following these stairss, the edifice lessens the infiltration through clefts or gaps an d it is protected by Rn. Figure 2: damp-proof membrane Figure 3: damp-proof membrane in suspended concrete floors in unmoved or land supported concrete floor Beginning: BRE ( 1991 ) Beginning: BRE ( 1991 ) Figure 4: damp-proof membrane in unmoved Figure 5: full Rn protection in suspended or land supported concrete floor concrete floors ( natural airing ) Beginning: BRE ( 1991 ) Beginning: BRE ( 1991 ) Full Rn protection BRE ( 1991 ) argues that the above method is non so effectual while, BRE ( 1999 ) writes that in countries with high concentrations more techniques should be used during building. These techniques are the usage of Rn sumps and usage of natural airing in suspended concrete floors. Natural-Mechanical airing In suspended concrete floors below the slab, natural airing system can be constructed as in figure 5. Meanwhile, the place of fans can besides be created because there are possibilities that the natural airing consequences may be unequal. Therefore, this method combines characteristics of natural and mechanical airing ; nevertheless its effectivity is non certain. Radon sumps Radon sumps are particular buildings which are placed in dirt below the slab in ground-suspended floors. There are two sorts of sumps: depressurised and pressurised sumps. The former has as a consequence the extenuation of Rn from dirt to the ambiance, while the latter leads the Rn gas off of the dirt where the house is placed. They can besides be distinguished in two sub-categories: passive and active. ( Figure 6, 7 ) Passive sump systems do non use fans while active sump systems do use. The map of Rn sumps is based on I ) the stack consequence and two ) the air current consequence. These two phenomena secure that the motion of the radon-laden air throw pipes will be natural. The stack consequence is based on the construct that the warm air moves upwards. The interior decorator has to procure that the pipes used for breathing the radon-laden air will travel through warm topographic points of the house. As a consequence, the air inside the pipe will be warmer and will be given to travel upwards, making a drive force inside the pipe. Therefore, the Rn gas in sump will be emitted to the ambiance of course. ( BRE 1996 ) Figure 4: Typical Passive Sump Figure 7: Typical Active sump Beginning: BRE ( 1996 ) Beginning: BRE ( 1996 ) The air current consequence is related with the phenomenon that when air blows on or above a surface, tends to make a zone of negative force per unit area. In instance of Rn sumps, the air current pulls the air from the airing terminus off. Due to this, a likewise impulsive force is created and the Rn gas from the dirt dispels in the ambiance. ( BRE, 1996 ) Depressurizing sumps have the possible to work as a â€Å" vacuity pumps † . The different force per unit area between sump and air, and the at the same time upward air flow in pipes have as a consequence the dirt gases to come in into the sump and afterwards to be driven to the air. The inactive depressurising sumps ( figure 8 ) do non hold a merriment. However, as BRE ( 1999 ) , WHO ( 2009 ) reference, when the decrease is non satisfactory so an in-line fan should be installed in the pipe in order to increase the air flow. The new system will be called active depressurising. ( Figure 9 ) Owing to this, BRE ( 1999 ) , WHO ( 2009 ) propose that when constructing a inactive sump system, builders should put in the system with a manner to be easy transformed subsequently, if it will be necessary. Active pressurising sumps have as a consequence to take the Rn from the house. A fan located in the pipe blows air in the sump which consequences in the decrease of the sump ‘s force per unit area because the air is removed to the land. Therefore, the air of the house tries to equilibrate the force per unit area and this eventually leads radon out of the house. ( BRE 1996 ) Figure 8: Passive depressurizing sump Figure 9: Active depressurising sump Beginning: WHO ( 2009 ) Beginning: WHO ( 2009 ) 3.2 Remedial steps for bing homes In bing homes the remedial steps do non differ from the protective steps for the new buildings. The execution of sumps may be hard and expensive but it is a remedial step with certain results. However, the simplest mitigating step is the waterproofing of the clefts and gaps which permit Rn gas to come in the house.4. Discussion6. DecisionAs mentioned before, there is no peculiar degree of Rn which could be deemed as a safe degree. In add-on, as Jelle ( 2012 ) indicates there is neither a manner of ciphering exactly the Rn which enters inside house nor the exact decrease after the execution of remedial or protective steps. This is because Rn is a gas and it can work even the smallest cleft or hole to come in a house. Therefore, applied scientists, builders, interior decorators and by and large everyone who is involved in a building, should work with professionalism in order to guarantee the best consequence.

Child Psychology essays

Child Psychology essays Child development is a field of study devoted to understanding human constancy and change from conception to adolescence. There are three broad domains in developmental psychology: 1) Physical development: changes in body size, proportions, appearance, brain development, motor capacities, and physical health 2) Cognitive psychology: development of thought processes and intellectual ability, including attention, memory, problem solving, creativity, 3) Emotional and social development: emotional communication, self-understanding, ability to manage feelings, personal skills, friendship, and behavior. Each of these domains influences and are influenced by others. Child development is also segmented into five periods: 1) Prenatal period: from conception to birth, this is where the most rapid change occurs. 2) Infancy to toddlerhood: from birth to two years. Dramatic changes in the body and brain support emergence of motor skills, intimate ties with others. Infancy is the first year and toddlerhood is the second. 3) Early childhood: two to six years: body becomes longer and leaner, motor skills are refined and the child becomes more self-controlled. 4) Middle childhood: six to eleven years. Children learn about the wider world and master new responsibilities. 5) Adolescence: from 11 to 20. This is the bridge between childhood and adulthood. A theory is an integrated set of statements that describes, explains, and predicts behavior. Continuous development is a view which states development occurs gradually. Discontinuous development is the view which states that development occurs in stages that emerge at specific times. A stage is a qualitative change in thinking, feeling, and behaving that characterizes a specific period of development. Nature vs. Nurture is the disagreement among theorists about whether genetics or the environment factors are more important determinants of development a...