country we live in such as Guglielmo Marconi‚ Samuel F. B. morse‚ Henry Ford‚ and many many more. There were many inventions which led to the start of the industrial revolution in America. The three most important inventions being the Cotton Gin‚ Railroad‚ and the telephone. The first invention out of the three was the cotton Gin. The Cotton Gin was invented in 1793 by Eli Whitney who lived from 1765 to 1825. The cotton Gin was not a very complex but rather simple‚ The first step to using it was to
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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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Light pollution Light pollution‚ also known as photo pollution or luminous pollution‚ is excessive artificial light. This phenomenon is pronounced around urban centers‚ where city lights diminish the view of stars and planets. In addition to brightened skies around cities‚ light pollution also refers to any outdoor light that creates glare and interferes with the natural night environment. Cause Light pollution results from outdoor lights aimed
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Environmental Protection Good morning‚ my dear classmates. I’m glad that I can have such a good chance to make a presentation to all of you. Thank you very much for your coming. I’m here today to share with you information and my opinion about environmental protection. First‚ l will make a definition about “environmental protection”. Then‚ I will show you the cause of environmental problem—that is pollution. At the same time‚ I will give you some effective methods to solve this problem. At last
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electronics‚ aircrafts‚ medical supplies‚ and recreational items. The list could go on and on and it is obvious that much of what we have today would not be possible without plastics. Introdution of plastic pollution Plastic is one of the few new chemical materials which pose environmental problem. Polyethylene‚ polyvinyl chloride‚ polystyrene is largely used in the manufacture of plastics. Synthetic polymers are easily molded into complex shapes‚ have high chemical resistance‚ and are more or
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Kelly Wellens Unit Y 2.1 - Identify the key features of at least three major therapeutic models. Person-Centred Therapy 1. What do you understand by the term actualising tendency? I understand that the term actualising tendency means that a person has a potential to grow‚ if we have had the right environment to grow. If we received enough unconditional acceptance and love throughout our childhood through our peers‚ parents‚ teachers‚ friends etc then this has given us the right environment to
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Technology Unit Two Investigation VISUAL POLLUTION Visual pollution only occurs in some parts of Australia. Visual pollution has now become a law by the council due to businesses advertising on busy roads which distract the drivers. However even if your car was parked in a shopping centre car park and had a for sale sign on the back of your car this will be braking the law! I chose visual pollution because it really effects my workplace. We are not aloud
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Chandra Clark “Studies show that transportation sources such as cars‚ trucks‚ buses‚ ships and trains account for 90% of the cancer risk associated with air pollution” (europa.eu). Air pollution is the introduction into the atmosphere of chemicals‚ particulates‚ or biological materials that cause discomfort‚ disease‚ or death to humans‚ damage other living organisms such as food crops‚ or damage the natural environment or built environment. The Earth is surrounded by a blanket of air that’s polluted
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Its economy is mainly oil driven . Background Pollution is the introduction of contaminants into the environment . Those contaminants bring about instability ‚ dis ‚ harm or discomfort to the physical systems or living organisms there in . Pollution can take the form of chemical substances or energy such as noise ‚ heat or energy . Just like many industrialized countries ‚ Bahrain faces environmental challenges resulting from pollution . This tries examines those challenges and related
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Air Pollution CFish Mr. Nollen Biology 2B 8 May‚ 1996 The Problem Contamination of the atmosphere by gaseous‚ liquid‚ or solid wastes or by-products that can endanger human health and the health and welfare of plants and animals‚ or can attack materials‚ reduce visibility‚ or produce undesirable odors. Among air pollutants emitted by natural sources‚ only the radioactive gas radon is recognized as a major health threat. A byproduct of the radioactive decay of uranium minerals in certain kinds
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