Power drill bits; Circular saws; Band saws; Machine for repair, polishing, buffing and scratch removal on optical discs, CDs, DVDs; Cutting machines; Chainsaws; Bits for power drills; Blades for power tools; Power-operated polishers; Power-operated grinding wheels; Air powered tools, namely, drills, screwdrivers, rivet hammers, saws; Saber saws; Milling cutters being parts of machines; Knives being parts of machines; Electrical drills