MACHINE PARTS, namely, CARBON AND/OR GRAPHITE BEARINGS, SEALS, [ PISTON RINGS, ]WASHERS, [ AND VANES; ][ POWERED DEVICES FOR HANDLING HOT GLASS ARTICLES, namely, DEVICES HAVING GRAPHITE AND/OR CARBON SURFACES WHICH CONTACT AND GRIP HOT GLASS ARTICLES; ]AND ROLLERS OF CARBON AND/OR GRAPHITE OVER WHICH HOT GLASS FILAMENTS ARE PASSED

METAL POWDERS