… mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form; …
Explanatory notes
… mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form; … (in general the products of Section V of the Nomenclature) such as earth (including earth colours), clay, stone, ores, … separate out or concentrate the heavier part not held in suspension by the water. (6) Flotation separating machines , …