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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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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Community Issue: Pollution Do you hate seeing rubbish in the street? My topic is all about pollution. Pollution is a problem in Hawaii because it cause health problems‚ water gets polluted by throwing of chemicals in river and other bodies of water and land gets polluted because of too much wastes from industry. My first reason is because it can cause health problems. According to National Geographic‚ lung inflammation can develop when people are exposed to ongoing particulate air pollution some diseases
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Axia College Material Appendix D Air Pollution Chart After reviewing Ch. 8 and 9 of your text‚ complete the following table‚ then respond to the questions that follow: Issue Sources Health/Environmental Effects Carbon dioxide (CO2) Greenhouse gas‚ Combustion of fossil‚ fuels such as coal‚ oil‚ gas in power plants as well as volcanoes. Also found in soft drinks Helps plants with photosynthesis also keeps the earth insulated. But also keeps the temperatures rising. Also cause global warming
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waste products‚ causing unsustainable environments. Cities are sources of air‚ water and soil pollution. Light and noise pollution are now known to adversely affect urban people. The role of urban heat islands and air pollution‚ PM2.5 and ozone‚ on human health is beginning to emerge. Lack of green space may have psychological effects for urban dwellers. We began to explore the nature of the urban environment and pollution on human health and well-being at UEP2010 in Boston in June of 2010. This
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Michael Abate Energy: Ecology & Economy April 4‚ 2011 Section 1 Instructor: Dr. Eric Malm Pollution Analysis Pollution can take many forms. The air we breathe‚ the water we drink‚ the ground where we grow our food‚ and even the increasing noise we hear every day all contribute to health problems and a lower quality of life. Pollution is everywhere. Pollution is the unwanted introduction of substances that harm or destroy the atmosphere and our environment. The Economy is slowing;
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Vehicular Pollution The majority of today’s pollution is caused by cars and trucks which are the largest single source of air pollution. With the great number of vehicles on the road we are headed toward smoggy skies and dirty air if we do nothing to help stop pollution. Everybody needs a vehicle that burns less fuel. The key to burning less fuel is to make more efficient vehicles and by putting that efficiency to work not letting it go to waste. Another good way to prevent air pollution is by combining
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Environmental pollution The nature is the most wonderful thing in the world. It gives us its loveliness to enjoy and to admire. The nature provides us with its riches: water and air‚ soil‚ mineral resources‚ flora and fauna‚ forests and fields. Nowadays situation is very bad‚ but just someone understand it. It means that many species of flora and fauna have already disappeared or are disappearing because of harmful actions of people. People have always polluted their surroundings. But until
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Pollution and Society *By Osanyinpeju* Aisha We all know that pollution in our world effects two essential aspects of our planet: air and water. Although their pollutants are emitted in completely different ways‚ they both harm living organisms. Air pollution is predominately emitted though the exhaust of motor vehicles and the combustion of fossil fuels‚ whereas water pollution is the result of industrial waste and environmental accidents. Our society knows that pollution is harmful and a serious
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POLLUTION!!- IS THERE A SOLUTION? Human Beings belong to a species that poisons its own habitat. If we think of our planet as a spaceship then we are the new and all other species are passengers. In general we behave irresponsibly .Earth’s atmosphere forms a protective cocoon around our spaceship‚ storing and recycling essential elements such as carbon and oxygen. Humans fill the air with pollution that turns the rain acidic and threatens to alter the climate pollution from and fossil and nuclear
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