Pebbles, gravel, 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 heattreated
Broken or crushed dolomite and limestone flux, for concrete aggregates, for road metalling or for railway or other ballast
Broken or crushed stone, for concrete aggregates, for road metalling or for railway or other ballast, whether or not heattreated (excl. pebbles, gravel, flint and shingle, broken or crushed dolomite and limestone flux)
Pebbles and gravel for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heattreated