… Millstones, grindstones, grinding wheels and the like, without frameworks, … polishing, trueing or cutting, hand sharpening or polishing stones, and parts thereof, of natural stone, of agglomerated …
Explanatory notes
… in particular : (1) Millstones and grindstones , often of considerable size, for crushing, grinding, pulping, etc., … etc. Grinding stones, grinding wheels, etc., must be made essentially of natural stone, agglomerated or not, (e.g., … grindstones, etc., described above, the heading also covers identifiable blanks; segments and finished parts of such …