engineers inžinieri 2 [vynechat] building workers 1 [vynechat] buildings 1 [vynechat] civil engineering 1 [vynechat] civil engineers 1 [vynechat] science and technology 1 [vynechat] stavby 1 [vynechat] stavebné inžinierstvo 1 [vynechat] stavební inžinieri 1 [vynechat] stavební robotníci 1 [vynechat] veda a technika 1 [vynechat]