… grindstones, grinding wheels and the like, without frameworks, for grinding, sharpening, polishing, trueing or … polishing stones, and parts thereof, of natural stone, of agglomerated natural or artificial abrasives, or of …
Explanatory notes
… discs, points, etc. , as used on machine-tools, electro-mechanical or pneumatic hand tools, for the trimming, … sharpening , trueing or sometimes for the cutting of metals, stone, glass, plastics, ceramics, rubber, leather, …