Abrasive disks for power-operated grinders; Abrasive disks for power-operated sanders; Circular saws; Diamond-pointed metal-cutting tools; Machine parts, namely, grindstones; Machine parts, namely, polishing discs for floor polishing machines; 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; Polycrystalline diamond compact (PDC) drill bits for drilling machines; Power-operated angle grinders; Power-operated polishers; Power saw blades; Power tools, namely, drills; Sanding pads for power-operated sanders