Author(s):
1. Lubomir Soos, Slovak University of Technology in Bratislava, Faculty of Mechanical Engineering, Bratislava, Slovakia
2. Pavel Kovač, Faculty of Technical Sciences, Department for Production Engineering, Serbia
3. Dušan Ješić, International technology Management Academy, Novi Sad, 4. Borislav Savković, Faculty of Technical Sciences, Department for Production Engineering, Serbia