Related by context. Frequent words. (Click for all words.) 70 coal mines 69 colliery 59 coal mining 59 Colliery 59 coalmine 58 mines 56 coal mine 55 coalfield 52 steelworks 50 coalfields 50 mining 49 mine 49 coal miners 49 quarries 49 miners 49 Coal Mine 49 smelters 48 Coal Mining 47 mine shafts 47 steel mills 46 coal 45 haulage 45 blast furnaces 45 underground workings 45 kilns 45 iron ore mines 44 Shanxi province 44 smelting 44 mine workings 44 quarry 44 coal seams 44 bauxite 44 uranium mines 43 ferrochrome 43 Mine 43 DRDGold 43 iron ore 43 steelmaking 43 Mine Workers 43 ore 42 mineworkers 42 Mineworkers 42 coal miner 41 tanneries 41 brick kilns 41 railways 41 miner 41 smelter 41 NUM 41 aluminum smelters 41 Mining 41 Coal 41 furnaces 40 quarrying 40 Sago Mine 40 thermal coal 40 textile mills 40 metallurgical 40 railway 40 copper smelter 40 steel mill 39 blast furnace 39 Iscor 39 manganese ore 39 coking 39 brick kiln 39 Pilbara region 39 Pilbara 39 SOEs 39 Tangshan 39 abattoirs 39 Bowen Basin 38 shipyards 38 ENRC 38 coking coal 38 mineral sands 38 Lonmin 38 Anglo Platinum 38 steelmakers 38 shafts 38 dairies 38 AngloGold 38 ArcelorMittal 38 mineral extraction 38 CIL 38 breweries 38 Sago mine 38 abattoir 37 alumina 37 sawmill 37 factories 37 MSHA 37 mills 37 Gold Mine 37 longwall 37 AngloGold Ashanti 37 alumina refinery 37 UMWA 37 coal seam 37 Exxaro 37 Chinese steel mills