Bits for power drills; Blades for power saws; Core drilling bits; Grinding tools for grinding machines; Milling machines and grinding machines for the treatment of ceramics and metal; Pads for floor polishing machines; Polishing discs for automated wet-polishing multi-head machines; Polishing system for use in single-head machines comprising grinding and polishing discs for stone profiling and edges; Power-operated grinding wheels; Power tools, namely, tile saws; Precision machine tools, namely, hard metal tools, high speed steel (HSS) tools, carbide tools, ceramic tools, poly crystalline diamond (PCD) tools, and diamond-coated and diamond-uncoated tools, and hard metal tools, all for use in the cutting and forming of materials by others; Sanding pads for power-operated sanders; Wheel adapters for power-operated grinders