Melekess district. Factory buildings of the Sredne-Volzhsky plant of tanning extracts, a meeting of workers on the occasion of the start-up of the plant. Construction of the Kuznetsk Metallurgical Combine, the installation of imported machine tools in the workshop. Central black earth region. The village of Vygon-Poganets. A group of Komsomol members expropriates grain from the kulaks, the opening of a trial over the kulaks - the harboring grain. Poet A. Bezymensky at the microphone. North Caucasus. Plowing the land with an electric plow in the fields of the village of Staro-Shcherbinskaya; work of the district power plant, equipment. Kyrgyz ASSR. Building and gateway of the Alametdin hydroelectric power station, canal. Leningrad. High voltage laboratory at the Electrotechnical Institute named after Lenin, equipment.