The building of the Saratov Chemical Combine. Factory pipes, tanks with finished products on the territory of the plant. Workshops of the plant for the production of ethyl alcohol, ammonium sulfate (mineral fertilizer), nitron (artificial wool), nylon (nylon silk). Manufacturing processes. Workers while working at machines, control panels. Samples of finished products. Physical and mechanical laboratory of the plant. Production engineers: S. A. Kaplan, E. P. Borisova, P. P. Zolotareva. Combine technical advice.