石、砂及粘土的采掘

This class includes: - quarrying, rough trimming and sawing of monumental and building stone such as marble, granite, sandstone etc. - quarrying, crushing and breaking of limestone - mining of gypsum and anhydrite - mining of chalk and uncalcined dolomite - extraction and dredging of industrial sand, sand for construction and gravel - breaking and crushing of stone and gravel - quarrying of sand - mining of clays, refractory clays and kaolin

This class excludes: - mining of bituminous sand, see 0610 - mining of chemical and fertilizer minerals, see 0891 - production of calcined dolomite, see 2394 - cutting, shaping and finishing of stone outside quarries, see 2396