1syuzh. -Donbass. Work in the mines. Workers recruited to work in Donbass sit on the Orsha-Donbass train. Train movement. Workers' village in the Donbass. Workers at the reception at the clinic. 2syuzh. -Leningrad. Sevkabel plant. 3syuzh. - Moscow. Plants "Hammer and Sickle", "Dynamo", "Trekhgornaya Manufactory". Workers at work, in the cafeteria, in the classroom. 4syuzh. - Dnepropetrovsk. Mining Institute, students in the classroom.