metallurgical works history 17 metallurgy 10 iron 7 ferrous metallurgy 6 železárny 5 blast furnaces 3 more ... automated management systems 2 metals 2 foundries 2 production 2 archaeology 1 architecture 1 hammers 1 buildings (architecture) 1 chemical industry 1 mines (mining) 1 extraction processes 1 firm 1 photographs 1 ferrous and steel metallurgy 1 hutní odpad 1 hutní výrobky 1 coke industry 1 forging dies 1 kovový odpad 1 roof covering 1 management 1 materials 1 steel 1 less ...