The U.S. Supreme heard arguments in an affirmative action case from Texas for the second time Wednesday. The U.S. Supreme heard arguments in an affirmative action case from Texas for the second time Wednesday.
Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing fusion, which is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal.as tungsten arc welding (GTAW), or tungsten inert gas (TIG) welding, is a manual welding process that uses a nonconsumable tungsten electrode, an inert or semi-inert gas mixture, and a separate filler material.
The voltage across the welding arc. arc welding (AW). A group of welding. processes which produces coalescence of metal. by heating them with an arc, with or without the. application of pressure and with or without the. use of filler metal. as-welded.