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 the amount of gas used . There are a regulator is used to control pressure from the tanks to the required pressure in the hose. The flow rate is then adjusted by the operator using needle valves on the torch. Accurate flow control with a needle valve relies on a constant inlet pressure to it. Most regulators have two stages: the first stage of the regulator is
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China’s Pollution Problem China‚ one of the worlds largest industrial powers‚ is now facing a difficult situation. China’s industries rely largely on coal power which emits harmful gases‚ causing intense air pollution. The Chinese government‚ in fear that the country would fall in a recession‚ has not done much to stop these industries‚ so China has become the second largest greenhouse gas emitter in the world. The types of pollution created by this include air pollution and water pollution‚ both
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Introduction In China‚ an increasing population and rapid economic growth as well as lax environmental oversight have increased water pollution. Therefore‚ deterioration of drinking water quality continues to be a major problem. Continuous emissions from manufacturing are the largest contributor to lowered drinking quality across the country. China’s major river systems exhibit the scope of the problem. Perhaps 70 percent of their water is so polluted that it has been deemed unsafe for human contact
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. Start at a young age: Education at a young age is going to be very important to sustain and grow the "Going Green" movement. Many things that you learn at a young age are carried on with you later in life. Schools should hold "Going Green" days where the kids plant trees‚ learn about preserving the environment‚ work on special projects‚ and watch videos about our environment. The kids should then have an assignment to talk to their parents about going green and come up with 1 way their family can
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Air Pollution * Pollutants enter the air from various sources‚ but burning of fossil fuels contributes the most to air pollution. * Exhaust fumes from vehicles contains soot (tiny carbon particles)‚ lead (from cars using unleaded petrol)‚ carbon monoxide‚ oxides of nitrogen and hydrocarbons due to the incomplete combustion of fossil fuels. * Burning of fossil fuels in the combustion engines of vehicles and electrical power stations also releases large amount of carbon dioxide into the
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Dangers Of Smoking http://www.gumauctions.com/article/140/Dangers-Of-Smoking/ ------------------------------------------------- Almost everybody knows that smoking is bad for the health. Images of blackened lungs line school hallways and hospital waiting rooms‚ but despite this people continue to take up smoking. This may have to do with the pervasive romantic image of smoking -- an image that has nothing in common with reality. There are many ways to take tobacco. You can chew it‚ inhale it through
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Marine Ecosystem: EMCBTAP-ENVIS N Marine Pollution: Causes and Consequences Pollution of the world’s oceans is quickly becoming a major problem on Earth. We know very little about the effect that pollution has on the oceans‚ but we continue to dispose off chemicals‚ sewage and garbage into it at an unprecedented rate. Most people likely do not even know what types of pollutants reach the oceans. There may be billions of people unconcerned about ocean pollution and hence this problem. Truly‚ the
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hi i am here to write an essay antarctica can be seen as the world’s largest laboratory. Science is one of the most important reasons as to why we venture into this barren desert‚ and we have made and continue to make important scientific discoveries in the Antarctic. polar bears are sad very sad indeed. ntarctica can be seen as the world’s largest laboratory. Science is one of the most important reasons as to why we venture into this barren desert‚ and we have made and continue to make important
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Lady Earns Engagement Ring by Making 300 Sad Sandwiches for Her Man ERIN GLORIA RYAN For “lady” she has not been given a name; so she lacks an identity Ladies are usually older & they should know better then being pushed around by men Engagement & Sad is a pun because engagement is something happy and they use sad in the same sentence. Alliteration “sad Sandwiches” A New York City gossip reporter revealed herself today to be the woman behind 300 Sandwiches‚ a food blog she started
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Introduction Pollution can be defined as "The act or process of polluting or the state of being polluted‚ especially the contamination of soil‚ water‚ or the atmosphere by the discharge of harmful substances." As we become more technologically advanced‚ we produce materials that can withstand extreme temperatures‚ are durable and easy to use. Plastic bags‚ synthetics‚ plastic bottles‚ tin cans‚ and computer hardware- these are some of the things that make life easy for us. But what we forget
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