Ukraine. Classes, exercises on Civil Defense in one of the collective farms. Chemical anxiety. Fire extinguishing. Osoaviakhimovtsy in the ranks. Orenburg region. Machine-tractor station. A student of the Timiryazev Academy, a former combine operator of MTS A. I. Oskin at the harvest. Bag feeding according to the Oskin method. Loading bags onto carts. Leningrad region. Taking care of pigs and piglets at the pig farm of the Mayak collective farm. Weighing the young. The Stakhanovite Pogodin cuts the teeth of a piglet, weighs it on the scales. Uzbekistan. Harvesting of apricots. Hilling cotton. Collective farmers are drinking tea with apricots. Gorno-Altai Autonomous Region. Hydroelectric power station on the Chemal river. The family listens to the radio. A light is on in the hut. Azov-Black Sea (Krasnodar Territory). District rest house in the former manor house. Vacationers play blind man's buff.