Rostov-on-Don. Meeting room, presidium of the 3rd interuniversity meeting devoted to the problem of trace elements and natural radioactivity of soils. Exhibition of technical creativity of students of technical schools of the Rostov region in Rostov-on-Don. Mechanized distribution of feed and cleaning the premises of the pig farm of the state farm "Zernovoe" in the Rostov region. Production processes in the shops of the Krasnodar Cloth and Worsted Combine. Classes of students of the Krasnodar school number 16 in the lesson of chemistry.