This class includes: - mining of lignite (brown coal): underground or surface mining, including mining through liquefaction methods - washing, dehydrating, pulverizing, compressing of lignite to improve quality or facilitate transport or storage
This class excludes: - hard coal mining, see 0510 - peat digging, see 0892 - test drilling for coal mining, see 0990 - support activities for lignite mining, see 0990 - manufacture of lignite fuel briquettes, see 1920 - work performed to develop or prepare properties for coal mining, see 4312