… grindstones, grinding wheels and the like, without frameworks, for grinding, sharpening, polishing, trueing or …
Explanatory notes
… grindstones, grinding wheels and the like, without frameworks, for grinding, sharpening, polishing, trueing or … (e.g., for milling grain (upper or lower stones); pulping wood, asbestos, etc.; paper-makers’ or paint mixers’ … glass, quartz, etc., are classified in this heading if the working edge is smooth apart from the abrasive coating, but …