Author(s):
1. Mitar Perušić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
2. Branko Pejović, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
3. Radislav Filipovic, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
4. Milenko Smiljanić, 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

Final paper