Е. М. Aqzam
Semey University named after Shakarim
Kazakhstan

Erkhan Agzam – doctoral student of the department «Technological equipment and mechanical engineering»,

071412, Semey, Glinka Street, 20A

А. К. Kakimov
Semey University named after Shakarim
Kazakhstan

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

071412, Semey, Glinka Street, 20A

A. E. Erengaliev
Semey University named after Shakarim
Kazakhstan

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

071412, Semey, Glinka Street, 20A

N. K. Ibragimov
Semey University named after Shakarim
Kazakhstan

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

071412, Semey, Glinka Street, 20A