1syuzh. - Testing the operation of the STZ 2-40 diesel engine, designed at the Scientific and Automotive Tractor Institute (Moscow). 2syuzh. - Extraction of milled peat with a machine. Burning milled peat in a furnace designed at the All-Union Scientific Research Heat Engineering Institute. 3syuzh. - Casting of ferrous metals under pressure in a special machine designed by NATI engineer A. Durnienko (Scientific Automotive Institute). 4syuzh. - Testing of experimental aircraft models in the USA.