V. V. Bednarsky
Novocherkassk Institute of Reclamation Engineering, Don State Аgrarian University
Russian Federation

Bednarsky, Victor V., associate professor of the Service of Transport and Production Machines Department, Cand.Sci. (Eng.) 

346468, Novocherkassk, ul. Pushkinskaya, 111

D. V. Layko
Novocherkassk Institute of Reclamation Engineering, Don State Аgrarian University
Russian Federation

Layko, Denis V.,associate professor of the Service of Transport and Production Machines Department, Cand.Sci. (Eng.) 

346468, Novocherkassk, ul. Pushkinskaya, 111

S. I. Revyako
Novocherkassk Institute of Reclamation Engineering, Don State Аgrarian University
Russian Federation

Revyako, Sergey I.,associate professor of the Service of Transport and Production Machines Department, Cand.Sci. (Eng.) 

346468, Novocherkassk, ul. Pushkinskaya, 111