1. Technical University of Cluj-Napoca
2. Faculty of Mechanical Engineering
3. Department of AET
4. Discipline of Descriptive Geometry and Engineering Graphics
5. Cluj-Napoca 400641
6. Young Researchers and Elite Club, Kermanshah Branch
7. Islamic Azad University
8. Kermanshah
9. Iran
10. University of Warmia and Mazury in Olsztyn
11. Faculty of Technical Sciences
12. 10-719 Olsztyn
13. Poland
14. Department of Physics
15. Sharif University of Technology
16. Tehran 11155-9161
17. Faculty of Mathematics and Computer Science
18. 10-710 Olsztyn