… Millstones, grindstones, grinding wheels and the like, without … abrasives, or of ceramics, with or without parts of other materials. …
Explanatory notes
… be of any shape, (e.g., flat, conical, spherical, dished, ring-shaped, recessed or stepped); they may also be planed … abrasive head on a metal shank, or of a centre or core of rigid material (metal, wood, plastics, cork, etc.) on to … bonded (e.g., cutting discs of metal, etc., fitted with rims or with a series of peripheral inserts of abrasive …