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Author(s):
1. Dušan Ješić, International technology Management Academy, Novi Sad, 2. Pavel Kovač, Faculty of Technical Sciences, Department for Production Engineering, Serbia
3. Borislav Savković, Faculty of Technical Sciences, Department for Production Engineering, Serbia
4. Dražen Sarjanović, Sara-Mont. Doo,, Serbia
5. M. Pokusova, Slovak University of Technology in Bratislava, Faculty of Mechanical Engineering, Bratislava, Slovakia