... , sealing of aluminum foil (tooth paste peel), motor rotor and sealing of tubular electric heating element.3. Smelting ... ax, screwing tools and shear (orchard shear).2. Quenching for various automobile and motorcycle fittings, such as crankshaft, connecting rod ... cue, brass lock, hardware copper fitting, kitchen knife handle, blade, aluminum pan, aluminum pail, aluminum radiator and various aluminum ...