B. N. Guzanov
Russian State Vocational Pedagogical University
Russian Federation

Boris N. Guzanov – doctor of technological sciences, professor, head at the department of engineering and vocational training in mechanical engineering and metallurgy

11 Mashinostroitelei str., Yekaterinburg, 620143, Russian Federation

A. D. Kolyasnikova
Russian State Vocational Pedagogical University
Russian Federation

Alyona D. Kolyasnikova – applicant for a degree at the department of engineering and professional training in mechanical engineering and metallurgy

11 Mashinostroitelej str., Yekaterinburg, 620143, Russian Federation