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081200 Operation of gravel and sand pits; mining of clays and kaolin
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This type includes:
- extraction and dredging of industrial sand, sand for construction and gravel
- breaking and crushing of gravel
- quarrying of sand
- mining of clays, refractory clays and kaolin
This type excludes:
- mining of bituminous sand (see 061000)
gravel and dredging; Gravel pit; kaolin; sand and dredging; slate