Explanatory notes
… (metal, wood, plastics, cork, etc.) on to which compact layers of agglomerated abrasive have been permanently bonded … abrasive tools are excluded and fall in Chapter 82 . The latter Chapter, however, covers only those tools with … stone, agglomerated or not, (e.g., sandstone, granite, lava, flint, molasse, dolomite, quartz, trachyte), of …
