Power-operated tools, namely, grinders; electrical drills; drill bits for power-operated machines; milling cutters * for milling machines *; gear wheel cutters; power operated cup-type abrasive and grinding wheels; bits for power drills; power operated polishing disk machines; [ power sawblades; ] power coring drills; scribing wheels for power-operated tools; wafer back grinding electric wheels for power-operated tools; wafer edge grinding electric wheels for power-operated tools; glass edge ...