MINING AND AGGLOMERATION OF HARD COAL    EXTRACTION AND AGGLOMERATION OF PEAT    MANUFACTURE OF COKE OVEN PRODUCTS    MINING OF URANIUM AND THORIUM ORES    PROCESSING OF NUCLEAR FUEL    MINING OF IRON ORES    MINING OF NON-FERROUS METAL ORES    QUARRYING OF STONE    STONE FISHING    OPERATION OF GRAVEL AND SAND PITS    MINING OF CLAYS AND KAOLIN    MINING OF CHEMICAL AND FERTILIZER MINERALS    PRODUCTION OF SALT    OTHERS    MINING AND AGGLOMERATION OF LIGNITE    MINING MACHINES