… broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated; macadam of slag, dross or similar industrial waste, … the materials cited in the first part of the heading; tarred macadam; granules, chippings and powder, of stones of …
Explanatory notes
… broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat‑treated; macadam of slag, dross or similar industrial waste, … classified in heading 68.02 . The following products remain classified in this heading even when they have been …