... follows: 1. Quench for various hardware and tools, such as plier, wrench, hammer, ax, screwing tools and shear (orchard shear ... ).2.Quench for various automobile and motorcycle fittings, such as crankshaft, connecting rod, piston pin, chain wheel, aluminum wheel ... and fork.3. Various electric tools, such as gear and axes.4. Quench for machine tools, such as lathe deck and ...