Coal mining

This subclass includes: - underground or open-pit mining of coal, including extraction by liquefaction - cleaning, sorting, crushing, compacting, etc., of coal, other operations related to the upgrading of the quality of the coal or its transportation and storage - reprocessing of coal from coal dust. Excludes: - mining of brown coal (lignite), see 05.20.0 - extraction of peat, see 08.92 - support activities on a fee or contract basis incidental to the extraction of hard coal, see 09.90 - test drilling for the extraction of coal, see 09.90 - production of solid fuels in coke ovens, see 19.10 - production of coal briquettes, see 19.20 - activities for the development of the coal industry, see 43.12