GAS WELDING Gas welding is a process that use fuel gases and oxygen to weld and cut metals. Uses: 1-welding and cutting metals 2-in Stone Work for flaming 3-in the glass industry for fire polishing 4-in jewelry production How we use it : The apparatus used in gas welding consists basically of an oxygen source and a fuel gas source it’s pumped through hoses and get out to cut or weld the used metal and there are two cylinders one of them contain oxygen and we can control
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Long-term effects of global tourism on economy Tourism is the travel tour activities which provides travelers leisure facilities and service industry. And it is also a kind of leisure entertainment that has complex social phenomenon‚ involves the politics‚ economy‚ culture‚ history‚ geography‚ law‚ and other social fields. Generally speaking‚ tourism has a profound impact for the country. Tourism gradually has become a prevalent activity all over the world. Compared to 2009‚ there were 1002
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INTRODUCTION 1.1 Background to the Study Humans have always utilized lands and the resources‚ found in them‚ in times past and in this present time for the enhancement of that standard of living to the extent that this land use has degenerated so badly‚ and that is considered a problem (Cieslewicz‚ 2000). The use of land and the resources that they contain has led to the alteration of land cover‚ affected the ecosystems where the lands are found (Kharel‚ 2010). The increased intensity of practices and
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Professor Ouwehand English 110/120 MW 2:20 Research Paper 16 April 2012 Essay III How Plastic Pollution is Out of Control Many individuals underestimate the amount of plastic we use each day. According to the article “Plastic Bags Wars”‚ “the world consumes 1 million plastic shopping bags every minute”. Plastic bags‚ along with many other types of plastics‚ have become a leading source of pollution worldwide (Doucette). Captain Charles Moore‚ founder of the Algalita foundation states that
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POLLUTION Pollution is the very serious problem in our country. All – important cities as Delhi‚ Mumbai ‚ Calcutta and Chennai have been found to be most polluted cities in India. The smaller industrial towns‚ such as Kanpur ‚ are also heavily polluted leading to sever health problems. Two major areas of pollution are air and water. Those living in cities neither get pure to breathe nor pure water to drink. It is therefore not surprising that the major health problems occur in the cities. In order
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Spoiled Rotten Few people would dispute that a child needs the proper support and encouragement in order to blossom into a happy and well-rounded adult‚ but could too much love result in unhappiness? In her magazine article "How to Land Your Kid in Therapy"‚ Lori Gottlieb is perplexed by her patients who seemingly have the best of everything‚ yet feel an overwhelming sense of unhappiness‚ unfulfillment and indecisiveness. Most of these patients had parents who were their “best friends”‚ supported
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the study of air pollution are introduced. lsointroduced are a brief history of air pollution‚ its regulation‚ and trends of its ambient concentrations and emissions. Keywords: Anthropogenic‚ biogenic‚ geogenic emissions biogenic‚; primary and secondary pollutants; criteria‚ hazardous‚ radioactive‚ indoor pollutants; sulfur smog‚ photochemical smog; UN-ECE‚ US-EPA‚ Clean Air Act. Air pollution spreads easily as it travels into the atmosphere. People get exposed to air pollution not just outdoors
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------------------------------------------------- Service quality Continuity of supply In 2004‚ water supply was available on average for 18 hours each day in the West Zone of Metro Manila and 21 hours in the East Zone. According to their respective websites‚ the utility responsible for water supply in the East Zone of Metro Manila increased 24-hour water from 26% in 1997 to 98% in 2007‚ whereas in the West Zone‚ 42% of the customers had an uninterrupted supply in 2007. In a 2004 sample of 45
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HANOI—As Vietnam’s economy has boomed in recent decades‚ so too have pollution levels in its major cities‚ with experts concerned that air pollution could pose a major public health concern. "Environmental pollution in Vietnam is a real problem‚" said Tuong Lai‚ former dean of Vietnam’s Social Science Institute. "It’s not just foreign visitors who have complained about our dust pollution—people in our country are also very dissatisfied with it‚" he said. A study conducted by employment consultants
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The air we breathe‚ the water we drink‚ the security of creatures we drink‚ the security of creatures we share with‚ and fertility of land on which we grow our food are all deteriorating resulting in the increase of health hazards and lowering standard of health of the nation as a whole‚ In this seemingly desperate situation how to let our optimum survive is a burning question of the day. A study conducted by the World Bank in 1995 revealed that 40‚000 Indians die prematurely due to polluted air
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