Self-sufficiency in cement Sarwar A Chowdhury It is hard to pinpoint where and when the uses of cement were first discovered‚ or who invented it. Some say it was in ancient Rome‚ where engineers first used concrete made from volcanic rock and ground brick or pottery. Now‚ in modern times‚ concrete is a composite construction material composed of cement and other materials. Regardless of when the use of cement began‚ cement has become the major construction material for many centuries in the world
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climate‚ succession‚ disease and natural disasters. Human factors in change include; urbanisation‚ deforestation‚ cultivation and tourism. Which are arguably the most important factors in changes to vegetation. The British Isles were largely covered in deciduous forests‚ until around 5000 years ago when humans began to cut down these trees to build their homes‚ which can be seen as first stages of ‘urbanisation’. However the trees they cut down were put to use in firewood and fuel for cooking. Other
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With reference to various examples‚ discuss how ‘natural’ disasters are socially constructed. While natural disasters such as floods‚ drought and hurricanes are commonly thought to occur due to environmental forces such as weather‚ climate and tectonic movements; a deeper investigation into the ‘disaster’ displays other contributing forces. Human factors have a large‚ if not equal‚ contribution to the occurrance and outcome of such disasters (Pelling‚ 2001). As Pelling (2001) argues‚ there is
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CIT 071807 Compare and contrast traditional and modern families Since the nineteenth century‚ in the western societies‚ family patterns changed under the forces of industrialisation and urbanisation. Another factor which has been involved in those changes is the growing intervention of the state‚ by legislative action‚ in the domestic affairs of the family. As a result of these trends‚ the modern “nuclear” family has been substituted
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problem‚ Mango is still found in market‚ Bangladesh is a nation of mango loving people. Our culture as well as cuisine is enriched by mango for hundred years. In past‚ mango was grown all most all house but now scenario has changed due to urbanisation and industrialisation. Due to increased amount of population‚ land has been used for making houses‚ roads‚ cultivable land‚ and industry and for many other purposes. Now mangos are grown mainly in village areas. When the locally produced mangos is the source
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nature ’s own systems kept the air fairly clean. Wind mixed and dispersed the gases‚ rain washed the dust and other easily dissolved substances to the ground and plants absorbed carbon dioxide and replaced it with oxygen. With increasing urbanisation and industrialisation‚ humans started to release more wastes into the atmosphere than nature could cope with. Since then‚ more pollution has been added to the air by industrial‚ commercial and domestic sources. As these sources are usually found in major
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Japan has a population of just over 126 million people‚ although each year this number slowly decreases due to the birth rate of 1.39 per couple1. As well as the fact that Japan is an extremely homogenous society with 99% of citizens and residents being Japanese with 1% of their population being non-Japanese. The declining population reflects highly upon society as many Japanese in their twenties feel they are too busy working to raise children‚ as well as the rising cost of living making it hard
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What is a city? What are its sustaining factors? A center of population‚ commerce‚ and culture; a town of significant size and importance. Is growing urbanization a boon or menace? After the industrial revolution urban population all over the world is increasing. There is a rapid migration of rural people to urban areas for jobs and better living. As a result the population in the towns and cities are increasing and rural population is dwindling. The rapid in rush of people to the urban areas
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Sociology of development P.T. Robbins SC3055‚ 2790055 2011 Undergraduate study in Economics‚ Management‚ Finance and the Social Sciences This is an extract from a subject guide for an undergraduate course offered as part of the University of London International Programmes in Economics‚ Management‚ Finance and the Social Sciences. Materials for these programmes are developed by academics at the London School of Economics and Political Science (LSE). For more information‚ see: www.londoninternational
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process of industrialisation. The use of equipment in factory took place in the cotton industry firstly‚ aimed to match the society’s demands by increase production (Porter‚ 1999). The Industrial Revolution changed economic‚ political and social factors. This essay will analyze the impact of the Industrial Revolution on society and economy‚ the content will dived into parts. In the first stage‚ it will argue the positive impact of the Industrial Revolution on economy and urbanisation. Second part
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