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high melting point, elemental tungsten is used in many high-temperature applications, such as light bulb, cathode-ray tube, and vacuum tube filaments, heating elements, and rocket engine nozzles. its high melting point also makes tungsten suitable for aerospace and high-temperature uses such as electrical
, heating, and welding applications, notably in the gas tungsten arc welding process (also called tungsten inert gas (tig) welding). because of its conductive properties and relative chemical inertia, tungsten is also used in electrodes, and in the emitter tips in electron-beam instruments that use field...
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