Author(s):
1. Milentije Stefanović, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia
2. Dragan Adamović, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia
3. Zvonko Gulisija, Institut za tehnologiju nuklearnih i drugih mineralnih sirovina, Serbia
4. Srbislav Aleksandrovic, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia
5. Vesna Mandić Mandić, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia
6. Milan Milovanović, Car Factory , Serbia

Final paper