… Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or …
Explanatory notes
… 25.17 ‑ Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or … ‑ Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or … mills for crushing lime, cement, etc. Flint is, however, mainly used, after crushing, in the ceramic industry or as …