1. Department of Manufacturing Technology and Production Engineering, Rzeszow University of Technology, Powstancow Warszawy 8, 35-959 Rzeszow, Poland
2. Igor Sikorsky Kyiv Polytechnic Institute, National Technical University of Ukraine, 37 Prosp. Peremohy, 03056 Kyiv, Ukraine
3. Faculty of Engineering, Georgian Aviation University, 16 Ketevan Dedofali Ave., 0144 Tbilisi, Georgia