… Machinery for sorting, screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) … for agglomerating, shaping or moulding solid mineral fuels, ceramic paste, unhardened cements, plastering materials or …
Explanatory notes
… screen is vibrated or oscillated by the machine. (3) Rake type sorting machines . The material is sorted by a series of rakes whose teeth are spaced at appropriate distances. (4) … sorting equipment for uranium or thorium ore, operating by radioactivity measurement. The heading does not cover …