ROTO-FINISH

ABRASIVE SHAPES OR FORMS, GRAINS, NUGGETS, CHIPS, OR FRAGMENTS, FOR USE IN TUMBLING BARRELS, VIBRATORY FINISHING MACHINES, AND OTHER TYPES OF FINISHING MACHINES, FOR GRINDING, DEBURRING, DESCALING, EDGEBREAKING, POLISHING, BRITEHONING, BURNISHING AND OTHER [ WISE ] SURFACE FINISHING OF PARTS OR WORKPIECES OF WOOD, METAL, CERAMIC, GLASS, AND THE LIKE, COMPRISING METAL, METAL OXIDE, SILICON OXIDE, AND SILICON CARBIDE, INCLUDING SUCH MATERIALS WHICH ARE RESIN OR CERAMIC BONDED, PORCELAIN, AND ROCK, E.G., LIMESTONE OR GRANITE