Blades for power saws; Core drilling bits; Milling cutters for milling machines; Pads for floor polishing machines; Polishing system for use in single-head machines comprising grinding and polishing discs for stone profiling and edges; Saw machines; Abrasive wheels for power-operated grinders; Grinding and polishing machines; Power drill bits; Power drill accessories, namely, non-electrical adapters for use in joining extensions and power drill bits; Power-operated grinding wheels; Power-oper...