… grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) … machinery for agglomerating, shaping or moulding solid mineral fuels, ceramic paste, unhardened cements, plastering materials or other mineral products in powder or paste form; …
Explanatory notes
… grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) … the treatment of mineral products can, as a secondary use, also treat non‑mineral products (e.g., wood or bone); such … can fall if small enough. These channels increase in size along the machine, so that the material falls through the …