metallurgy steel 342 metals 52 iron 52 alluminium 45 history 38 mining 38 more ... metalurgie 31 foundry industry 23 alluminium alloys 21 analytical chemistry 19 mechanical engineering 19 mining engineering 18 zpracování kovů 18 chemistry 17 ferrous and steel metallurgy 17 non-ferrous metals (metallurgy) 17 steelworks 16 cast irons 14 hornictví 13 material engineering 13 forming 13 blast furnaces 13 chemical industry 12 ferrous metallurgy 12 alloys 12 silver 12 pig iron 12 inorganic chemistry 11 mining machine industry 11 less ...