This class includes:
——mining of hard coal: underground or surface mining, including mining through liquefaction methods
——cleaning, sizing, grading, pulverizing, compressing etc. of coal to classify, improve quality or facilitate transport or storage

This class also includes:
——recovery of hard coal from culm banks

This class excludes:
——lignite mining, see 0520
——peat digging and agglomeration of peat, see 0892
——test drilling for coal mining, see 0990
——support activities for hard coal mining, see 0990
——coke ovens producing solid fuels, see 1910
——manufacture of hard coal briquettes, see 1920
——work performed to develop or prepare properties for coal mining, see 4312