Explanatory notes
… in rolls or cut to shape (sheets, bands, strips, discs, segments, etc.), or in threads or cords, on to which crushed … include emery, corundum, silicon carbide, garnet, pumice, flint, quartz, sand and glass powder. The bands, discs, … includes, for example, tools such as buff-sticks, made by permanently fixing abrasive paper or cloth onto blocks or …