Section XVI — Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles
Chapter 84 — Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Heading 8474 — Machinery for sorting, screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form; machinery for agglomerating, shaping or moulding solid mineral fuels, ceramic paste, unhardened cements, plastering materials or other mineral products in powder or paste form; machines for forming foundry moulds of sand.
National subdivision 8474.3 — Mixing or kneading machines:
Subheading 8474.31 — Concrete or mortar mixers