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1 Welding Brazing&Soldering Welding, Brazing&Soldering ME 202 Manufacturing Technologies ME 202 Manufacturing Technologies 2 Welding Brazing&Soldering Welding is a process which two materials, usually metals, are permanently joined together through localized coalescence, resulting from a suitable combination of temperature , pressure and metallurgical conditions. Various welding processes have been classified in five groups, namely: Oxyfuel gas welding , Arc welding , Resistance welding , Solid state welding and Unique processes . Welding
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