1. Transport Technology Department, Lviv Polytechnic National University, 79013 Lviv, Ukraine
2. Institute of Civil Engineering, Warsaw University of Life Sciences, SGGW, 02-787 Warsaw, Poland
3. Faculty of Mechanical and Power Engineering, Lviv National University of Nature Management (Lviv National Agrarian University), 80381 Dublany, Ukraine
4. Department of Mechanics, Mykolayiv National Agrarian University, 54040 Mykolayiv, Ukraine