Class B

CLASS            SectionDivisionGroup

Mining of hard coal
Mining of hard coal
Mining of lignite
Mining of lignite
Extraction of crude petroleum
Extraction of crude petroleum
Extraction of natural gas
Extraction of natural gas
Mining of iron ores
Mining of iron ores
Mining of non-ferrous metal ores
Mining of uranium and thorium ores
Mining of other non-ferrous metal ores
Quarrying of stone, sand and clay
Quarrying of ornamental and building stone, limestone, gypsum, chalk and slate
Operation of gravel and sand pits; mining of clays and kaolin
Mining and quarrying n.e.c.
Mining of chemical and fertiliser minerals
Extraction of peat
Extraction of salt
Other mining and quarrying n.e.c.
Support activities for petroleum and natural gas extraction
Support activities for petroleum and natural gas extraction
Support activities for other mining and quarrying
Support activities for other mining and quarrying