Air powered tools, namely, drills, screwdrivers, rivet hammers, saws; Bits for power drills; Blades for power tools; Circular saws; Cutting machines; Dust removing installations for cleaning purposes; Electric drills; Electric hammers; Electric planers; Electric scissors; Electrical drills; Engraving machines; Grinding and polishing machines; Paint spray guns; Power-operated jig saws; Rivet guns