Abrasive belts for power-operated sanders; Abrasive disks for power-operated grinders; Abrasive wheels for power-operated grinders; Brushes and brush holders for use in rotating electrical machinery; Electrically-operated brushes, being parts of machines; Grinding and polishing machines; Power drill bits; Power operated metalworking machine tools, namely, drilling tools; Rotary brushes for machines; Wire brushes for use in machines