... tools, screwdrivers, picks, knives, scissors, gardening tools and other tools of the quenching, shaft, pin, gears, sprockets, ... and motorcycle spare parts (forks, rod, steering rod , camshaft, etc.), bicycle parts, machine tools, guides, farm machinery parts, textile ... debugging5) Perfect protection function, high reliability6) Compared with other heating methods (such as gas, oxygen, acetylene, ...