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 a fixed-pressure regulator whose function is to release the gas from the cylinder at a constant intermediate pressure‚ despite the pressure in
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Air Pollution Essay The Sources and Affects of Air Pollution (topic): Air pollution is the contamination of the air by noxious gases and small particles of solid and liquid matter in amounts that can cause harm to living organisms. Sources of air pollution include: transportation engines such as automobiles‚ power and heat generation‚ industrial processes‚ and the burning of solid waste. The combustion of gasoline and other fuels in automobiles‚ trucks‚ and jet airplanes produce the most common
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Women are the receiving end in Indian society. They are will treated or tortured at every stage. A girl child is in bondage from her very childhood. She is under constant‚ vigil First by the parents‚ then her husband and finally her own children. Not only that‚ she is often condemned to death even before she is born. This is called female killing in the womb itself. In ancient India the birth of a girl child was hailed as auspicious. An old Indian proverb lies down that a home without a daughter
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Environmental pollution is not a new fact. It is one of the biggest problems the world faces today. It is a big matter which is disturbing us economically‚ physically and our normal life. According to the Scott Forseman‚ pollution is defined as the addition of any substance of form of energy to the environment at a rate faster than the environment can accommodate it by dispersion‚ decomposition‚ recycling or storage in some harmless forms. Our precious earth is daily polluted in a variety of ways
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Pollution is the introduction of contaminants into a natural environment that causes instability‚ disorder‚ harm or discomfort to the ecosystem i.e. physical systems or living organisms.[1] Pollution can take the form of chemical substances or energy‚ such as noise‚ heat‚ or light. Pollutants‚ the elements of pollution‚ can be foreign substances or energies‚ or naturally occurring; when naturally occurring‚ they are considered contaminants when they exceed natural levels. The major forms of pollution
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WHAT YOU CAN DO ABOUT PLASTIC POLLUTION Plastic bags and bottles‚ like all forms of plastic‚ create significant environmental and economic burdens. They consume growing amounts of energy and other natural resources‚ degrading the environment in numerous ways. In addition to using up fossil fuels and other resources‚ plastic products create litter‚ hurt marine life‚ and threaten the basis of life on earth. We are producing over 25 million tons of plastics per year in the United States‚ a trivial
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fossil fuel combustion– has increased carbon dioxide concentrations from °280 to 355 mL/L since 1800; the increase is unique‚ at least in the past 160 000 yr‚ and several lines of evidence demonstrate unequivocally that it is human—causedRead More: http://www.esajournals.org/doi/abs/10.2307/1941591 fossil fuel combustion– has increased carbon dioxide concentrations from °280 to 355 mL/L since 1800; the increase is unique‚ at least in the past 160 000 yr‚ and several lines of evidence demonstrate
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Types And Causes Of Pollution The term pollution refers to the act of contaminating ones environment by introducing certain hazardous contaminants that disturb the ecosystem and directly or indirectly affect the living organisms of that ecosystem. Pollution in general is the activity of disturbing the natural system and balance of an environment. The increase in the pollution over the years by man has caused severe damage to the earth’s ecosystem. It is responsible for global warming which is leading
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“Save the Girl Child” It is said that god created mothers because he could not be present everywhere. It is unbelieveable to realize that a god’s representative is countinuously killing someone beautiful even before she can come out and see the beauty of nature. Let us consider some facts – Girl Child in India By Rajni Seth Ads by Google UNICEF India - Donate Now DonateToUnicef.org/Donation 9‚00‚000 children die every year Your Rs. 750 a month can save lives Embryo Adoption -Donation www.EmbryosAlive
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Air pollution is caused by many things‚ earth is very good at cleaning the air on its own‚ though through the years air pollution has gotten to a very bad point where earth can no longer clean all of the pollution we produce which has now started to have very bad effects on our environment such as causing acid rain‚ smog and a lot of health problems. There are a variety of things that cause air pollution like for example cars‚ airplanes and other engine vehicles. All these engine vehicles release
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