Machines for sanding floors; Floor sanders; Sanding pads for power-operated sanders; Electric sanders; Orbital sanding machines; Sand sorting machines; Sanding machines for woodworking; Kits comprised of sandpaper sheets configured to fit power-operated sanders; Sand blasting machines; Sand-blasting apparatus; Belt sanding machines; Abrasive disks for power-operated sanders; Abrasive belts for power-operated sanders; Kitchen grinders, electric; Electrical coffee grinders; Electric food grinde...