Author(s):
1. Aleksandar Vuković, Faculty of Technical Sciences, University of Novi Sad , Serbia
2. Srđan Vuković, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
3. Danijela Rajić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
4. Svetlana Pelemiš, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina