The article deals with the features of speech of the miners of the uranium mine at the company “Bismuth”. The influence of the Russian language on the vocabulary of German miners of the early decades of the uranium mine operation is studied. Only the words from the uranium production field are under consideration. Most of them are unknown to native German speakers who do not deal with uranium mining. Such borrowings from a foreign language in everyday and professional language as the result of long contacts cannot be found anywhere else.