Zvýšená únava operátora strojů je nebezpečná nejen pro ně samotné, ale často i pro okolí. Během jejich služby nejsou ničím přerušováni. (cs)
Impaired wakefulness in machine operators poses a danger not only to themselves but often also to the public at large. While on duty, such persons are expected to be continuously, i.e., without interruption, on the alert.
Impaired wakefulness in machine operators poses a danger not only to themselves but often also to the public at large. While on duty, such persons are expected to be continuously, i.e., without interruption, on the alert. (en)