Bits for mining machines; Bits for power drills; Drill bits for rock drilling; Screw conveyors; Screw grinding machines; Screw pumps; Carpet cleaning machines, namely, carpet extractors; Centering drilling bits being parts of machines; Core drilling bits; Electric juice extractors; Electric nail extractors; Electrical juice extractors for fruit; Electronically and power-operated tools, namely, pullers and components therefor, nut splitters, extractors, separators, spanners and coil spring com...