7 power-operated brushes for use in grinding, abrading, polishing, milling, boring, cleaning and painting; power-operated grinding, polishing, milling and boring tools; namely, cup brushes, abrasive disc plates, flap wheels, abrasive fleece, abrasive pads, abrasive discs, surface conditioning discs, endless sanding belts, spiral roller brushes and grinding paper; boring, grinding and milling machines; and parts thereof