metallurgy steel 378 metals 46 history 43 iron 42 mining 37 foundry industry 23 more ... analytical chemistry 17 material engineering 16 steelworks 16 metalurgie 15 mechanical engineering 15 business balance sheet 13 chemistry 13 cast irons 13 non-ferrous metals (metallurgy) 13 mining engineering 13 forming 12 mining machine industry 11 silver 11 production 11 inorganic chemistry 10 alluminium 10 pig iron 10 coal 10 blast furnaces 10 chemical industry 9 brown coal 9 metallurgical works 9 mineralogy 9 less ...