CRYOFORCE

testing apparatus used to determine changes in the physical characteristics of goods namely, gears, crank shafts, aircraft parts, molds, lathe inserts, engines, bearings, cutters, hobs, press dies, punch dies, drill bits, saw blades, shear blades, metal tooling, golf clubs, golf balls, aluminum bats and musical instruments subject to deep cryogenic freezing and selective heat tempering cycles