1syuzh. - Thermite rail welding. 2syuzh. - An all-terrain vehicle designed by the Scientific Automobile and Tractor Institute during tests in the Karakum Desert. 3syuzh. - Pneumatic locomotive made in Germany for the mining industry. 4syuzh. - TsAGI engineer B. I. Charanovsky demonstrates the aircraft he designed. Wing without tail and fuselage. The plane rises into the air.