1h - Panorama of Odessa. The Potemkin Stairs. Berths of the Ilyichevsk port. Container terminal. A driver in a stacker container ship. The teacher in the classroom of the educational plant is teaching. Workers on the assembly line of the Minsk Tractor Plant. Vacationers in the building of the sanatorium-preventorium of the Minsk Tractor Plant. Deputy says. Director of the Research Institute of Occupational Hygiene and Occupational Diseases of the USSR Academy of Medical Sciences, Professor A. A. Kasparov. Rabbits are being tested in the laboratory. Laboratory assistants and doctors participate in research. 2h -Drivers work on the simulator. Leninsky Prospect in Lviv. Assembly shop of the Kineskop production association. Safety classes with workers. Participants of the meeting "Occupational Safety Day". The manipulators of the machine move the metal plates. Boy students work at a lathe.