Wire wheels for power-operated grinders; Machine parts namely, millstones; Machine parts, namely, wear plates and strips; Machine parts, namely, polishing discs 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; Abrasive belts for power-operated sanders; Flap discs for power-operated grinders; Abrasive wheels for power-operated gri...