Ball valves being parts of machines; Abrasive disks for power-operated sanders; Flap discs for power-operated grinders; Pneumatic pumps; Valves being parts of machines operated pneumatically and by air; Gear cutting and finishing machines; Abrasive belts for power-operated sanders; Wheel adapters for power-operated grinders; Polishing system for use in single-head machines comprising grinding and polishing discs for stone profiling and edges; Machine parts, namely, polishing discs for floor p...