Rotary brushes for machines; Pads for floor polishing machines; Carpet cleaning machines; Electrically-operated brushes, being parts of machines; Brushes and brush holders for use in rotating electrical machinery; Power-operated floor burnishers; Power-operated tools, namely, buffers; Extensions for power tools; Electric machines and apparatus for carpet shampooing; Floor washing machines; Electric brushes being parts of machines; Floor polishing machines; Electric wax-polishing machines for ...