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- Quarrying of granite (1)
- Quarrying of slate and building and monumental stone other than marble and granite (1)
- Mining/quarrying of limestone, limeshell, ?kankar? and other calcareous minerals including calcite, chalk and shale. (1)
- Mining of clays (kaolin, ball clay, wollastonite, bentonite, fuller?s earth, fire clay etc.) (1)