Explanatory notes
… spun gut, wire (steel, iron, brass wire, etc.). The heading includes : Hand sieves and hand riddles for cinders, sand, … of cement, moulding sands, fertilisers, wood flour, etc.), including those which can be connected together to form a … or semi‑precious stones (e.g., diamonds). The heading excludes : (a) Sieves and riddles in the nature of fixed …