Ontology: Techno Order

Class 0520 of International Standard Industrial Classifications of All Economic Activities (ISIC) Rev.4 .

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:

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Children of #isic0520 - Mining of lignite:

#isic0520 - Mining of lignite in the tree of #isic05 - Mining of coal and lignite: