“Close the crossing in time, save the locomotive and tractor! Negligence poses a great threat to both transport and the collective farm. USSR, 1931

 
“Close the crossing in time, save the locomotive and tractor! Negligence poses a great threat to both transport and the collective farm. USSR, 1931 - the USSR, Poster, Soviet posters, Transport, Railway, Safety engineering, Collective farm, Tractor

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