… used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not …
Explanatory notes
… used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not … used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not … used for concrete aggregates, for road metalling or for railway track or other ballast. Segregated materials of …