metallurgy 2,395 steel 387 ferrous metallurgy 62 history 55 iron 50 metals 49 ferrous and steel metallurgy 39 more ... mining 36 non-ferrous metallurgy 29 foundry industry 22 material engineering 20 business balance sheet 19 cast irons 18 silver 17 steelworks 15 mechanical engineering 15 chemistry 14 metallurgical works 14 gold 14 forming 13 mining engineering 13 non-ferrous metals (metallurgy) 12 pig iron 12 production 12 analytical chemistry 11 mining machine industry 11 alluminium 11 mineralogy 10 blast furnaces 10 inorganic chemistry 9 less ...