Author(s):
1. Vladan Rikić, Faculty of Technology Zvornik, Republic of Srpska, Bosnia and Herzegovina
2. Vladan Mićić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
3. Ivan Ristić, Univerzitet u Novom Sadu, Tehnološki fakultet, Novi Sad, Serbia
4. Duško Kostić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
5. Mirko Radic, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina

Abstract Final paper