… screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral …
Explanatory notes
… screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral … or kneading machines : 8474.31 ‑ ‑ Concrete or mortar mixers 8474.32 ‑ ‑ Machines for mixing mineral substances …