Chucks for power drills; Electric hand-held drills; Dynamos; Autogenous soldering machines; Milling machines; Lawn mowers; Internal combustion engine parts, namely, pistons; Power drill bits; Drilling machines and parts therefor; Power-operated ratchet wrenches; Stair lifts; Snow blowers; Agricultural implements, namely, hay balers; Industrial robots; Drill chucks for power drills