Leningrad. The territory of the "Electric" plant. Assembly of electric welding machines in one of the workshops of the plant. Electric welding of pieces of metal on an electric welding machine. Manufacturing of reinforced concrete slabs. A woman removes rubbish from the floor and cleans clothes with a vacuum cleaner made at the Electromotor plant (Moscow). Electric towel (Turbofen) at work. Cranes are working on the construction of a domain at Magnitostroy. USA. Assembling cars on the conveyor belt of the Ford automobile plant.