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electric arc |
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electric arcA continuous electric discharge of high current between two electrodes, giving out a brilliant light and heat. The phenomenon is exploited in the carbon-arc lamp, once widely used in film projectors. In the electric-arc furnace an arc struck between very large carbon electrodes and the metal charge provides the heating. In arc welding an electric arc provides the heat to fuse the metal. The discharges in low-pressure gases, as in neon and sodium lights, can also be broadly considered as electric arcs. |
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| The process for producing the steel columns includes several steps: Melting scrap metal in an electrical arc furnace and casting it into near final shapes which are then reheated and sent through a rolling mill to achieve the final I-beam shapes. nbsp;admonished them to get their faces, and eyes, even closer to the 20,000-degree Fahrenheit electrical arc. CLEVELAND -- Diversified industrial manufacturer Eaton Corporation (NYSE:ETN) announced today it has reached an agreement with Weyerhaeuser (NYSE:WY), one of the world's largest forest products companies, to perform electrical arc flash surveys at a number of Weyerhaeuser's industrial facilities as part of an employee safety pilot program. |
Electrical arc
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