E. M. Agzam
Shakarima University of Semey
Kazakhstan

Erkhan Agzam – doctoral student of the department “Technological equipment and mechanical engineering” 

 071412, Republic of Kazakhstan, Semey, he. Glinki, 20 A 

A. K. Kakimov
Shakarima University of Semey
Kazakhstan

Aitbek Kakimov – Doctor of Technical Sciences, Professor of the Department of Technological Equipment and Mechanical Engineering 

071412, Republic of Kazakhstan, Semey, he. Glinki, 20 A 

A. E. Yerengaliev
Shakarima University of Semey
Kazakhstan

Amangeldy Yerengaliyev – Candidate of Technical Sciences, Professor of the Department of Technological Equipment and Mechanical Engineering 

 071412, Republic of Kazakhstan, Semey, he. Glinki, 20 A 

N. K. Ibrahimov
Shakarima University of Semey
Kazakhstan

Nadir Ibragimov – Candidate of Technical Sciences, teacher of the Department of Technological Equipment and Mechanical Engineering 

 071412, Republic of Kazakhstan, Semey, he. Glinki, 20 A 

B. A. Lobasenko
Kemerevsky State University
Russian Federation

650000, Russian Federation, Kemerovo, ul. Krasnaya, 6