1. Kremenchuk Mykhailo Ostrohradskyi National University,Department of Mechanical Engineering Technology,Kremenchuk,Ukraine
2. National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute",Machine Building Institute,Kyiv,Ukraine
3. Kremenchuk Mykhailo Ostrohradskyi National University,Department of Automobiles and Tractors,Kremenchuk,Ukraine