Construction of the Tsimlyansk hydroelectric power station. Pit construction; concrete laying. Political studies of the heads of enterprises and institutions of the Stalin region of Kirov. The lecture is read by A. A. Stulnikova. Production processes in the shops of the Arkhangelsk Lenin Sawmill; sawing wood; lumber warehouse. Livestock farms of the "Industriya" state farm in the Murmansk region. Milkmaids milk cows using milking machines. Weighing, feeding calves.