Belt sanding machines; Commercial and industrial vacuum cleaners; Electric sanders; Electric wax-polishing machines for household purposes; Floor polishers; Floor polishing machines; Grinding and polishing machines; Kits comprised of sandpaper sheets configured to fit power-operated sanders; Machine parts, namely, polishing discs for floor polishing machines; Orbital sanding machines; Power-operated polishers; Sanding machines; Sanding pads for power-operated sanders; Wire drawing machines