Power-operated tools and accessories for use in the marble, granite, natural stone, engineered stone, porcelain, concrete, asphalt, roofing and tile industries, namely, power saw blades containing diamonds, bits for power drills containing diamonds, power grinding wheels containing diamonds, profile wheels containing diamonds being parts of machines, finger bits containing diamonds being bits for power drills and machines and polishing pads containing diamonds being parts of machines; computer numerical control (CNC) machine tools and accessories, namely, power saw blades, power drill bits, core drilling bits, milling bits being bits for stone working machines, edge profile bits being tool bits for stone working machines, power-operated grinding wheels and breaker wheels being machine wheels; air-operated electric hand sanders; air-operated power hand polishers