Author(s):
1. Marija Mitrović, University of East Sarajevo, Faculty of Technology, Republic of Srpska, Bosnia and Herzegovina
2. Milorad Tomić, University of East Sarajevo, Faculty of Technology, Republic of Srpska, Bosnia and Herzegovina
3. Danijela Matović, Orao a.d., Bijeljina Republika Srpska, Republic of Srpska, Bosnia and Herzegovina
4. Dragan Tošković, Tfzv, Republic of Srpska, Bosnia and Herzegovina
5. Miomir Pavlović, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina

Abstract