... , hardening, annealing, modulation, and a variety of carbide, diamond saw blade welding The automotive, motorcycle parts, ... parts, electrical, hydraulic, pneumatic components, various types of drilling tools, knives, utensils, agricultural implements, iron and steel, ... hardening, annealing, motors, valves, welding, tungsten, molybdenum, and copper tungsten alloy sintering as well as gold and ...