... tools, electric, hydraulic, pneumatic components, automotive, motorcycle parts and other mechanical parts of the surface of the metal, the ... or total quenching. Such as: hammer, knife, scissors, pliers and all kinds of shafts, cams, sprockets, gears, valves, ball ... welding of metallic materials.4)Metal melting: melting gold, silver and copper.5)other areas of plastic pipe heating cable, heating ...