Agitators for chemical processing; Bits for power drills; Drilling machines and parts therefor; Electric bag sealers; Electric can openers; Electric mixers for household purposes; Electronic feeders for animals; Engraving machines; Hair clipping machines for animals; Mixing machines; Power drills; Power-driven wrenches; Power-operated screwdrivers; Power-operated staple guns; Power-operated tools, namely, grinders