Vehicular Pollution problems in India There are three broad sources of air pollution from human activities: stationary or point‚ mobile‚ and indoor. In developing countries especially in the rural area‚ indoor air pollution from using open fires for cooking and heating may be a serious problem. Industries‚ power plants etc. are the cause of stationary air pollution. But in urban areas both developing and developed countries‚ it is predominately mobile or vehicular pollution that contributes to
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Main effects of sound pollution • Deafness‚ temporary or permanent‚ is one of the most prevalent effects of noise pollution. Mechanics‚ locomotive drivers‚ telephone operators etc all have their hearing impairment. • The first and foremost effect of noise is a decrease in the efficiency in working. Research has proved the fact that human efficiency increases with noise reduction. • Too much of noise disturbs the rhythms of working‚ thereby affecting the concentration required for doing a
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that water pollution defines as “the addition of undesirable materials into aquatic bodies” (p.1). This may cause physical‚ chemical or biological change in water‚ leading to different harmful effects on organisms and environment. Lots of aquatic organisms are killed. Therefore‚ the problem of water pollution should be solved immediately. And before we combat the problem‚ we must analysis the causes and effects on the environment and organisms. In this essay‚ the causes of water pollution will be firstly
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introduction Noise pollution is the disturbing or excessive noise that may harm the activity or balance of human or animal life. The source of most outdoor noise worldwide is mainly caused bymachines and transportation systems‚ motor vehicles‚ aircraft‚ and trains.[1][2] Outdoor noise is summarized by the word environmental noise. Poor urban planning may give rise to noise pollution‚ since side-by-side industrial and residential buildings can result in noise pollution in the residential areas.
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I. Introduction According to the Columbia Encyclopedia‚ water pollution is defined as contamination of water resources by harmful wastes. In most cases this contamination is a result of people overloading the water environment with wastes. The scope of this problem covers any and all water sources including but not limited to streams‚ lakes‚ underground water‚ bays or oceans. II. Statement of Problem It is no misconception that water is a necessary compound to all life on Earth. Absolutely all
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Air Pollution Air is the most important element of life. For some ’air pollution‚’ let us give thanks. Dust and other particles in the atmosphere serve as nuclei about which raindrops form. But man has overloaded the sky. For centuries he has pumped particulate matter and gases into the atmosphere. As far back as 1661‚ a tract on air pollution was published in England: Fumifugium: or the Inconvenience of the Aer and Smoake of London Dissipated. Today much of the world suffers from the eye-smarting
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The American University in Cairo Egyptian Cement Sector Market Structure Analysis Prepared by Ahmad Tarek (SID# 800091317) Haytham Tawfik (SID# 800091526) Ramy Mohamed Mahmoud (SID# 800091039) CONTENTS INTRODUCTION.....................................................................................................................................3 CEMENT INDUSTRY IN EGYPT .................................................................................................
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The Sandwich Factory Factories turn human beings into machines. This is the perspective of the narrator in the short story “The Sandwich Factory” by Jason Kennedy. When mechanization is utilized to increase efficiency‚ factory employees become monotone working machines and individuals become just one of many - a crowd of insignificant people. This assignment will begin with an analysis and interpretation of the short story “The Sandwich Factory” by Jason Kennedy. To put the story into perspective
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invented in 1824 by Joaeph Aspdin‚ an English Mason. He named the product as Portland cement as its color resembled to the rock found in Portland‚ a place in England. Concrete is the second most used commodity in the world after water. During 2000-2001‚ it is estimated nearly 1 ton of concrete is used by each person on earth. The production of cement is presently estimated at 2000 Million Tons. The strength of cement when it was invented was about 10 MPa which has Continuously increased to 75-80 MPa
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GLOBAL CEMENT to 2020 Country-by-Country Forecasts of Cement Supply & Demand The world cement industry is a complex structure of local‚ national‚ regional and global markets and cement/clinker movements. The structure is ever changing‚ being closely tied to changes in a range of variables – including macro-economic growth‚ housing sector booms‚ public spending levels‚ trade protectionism‚ and transportation costs. With a relatively small number of multinational companies dominating cement capacity
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