1. Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology in Szczecin, al. Piastów 19, 70-310 Szczecin, Poland
2. Marine Ship Repair Yard “Gryfia” J.S.C., Brdowska 12 Str., 71-700 Szczecin, Poland
3. Faculty of Marine Engineering, Maritime University of Szczecin, 1-2 Wały Chrobrego St., 70-500 Szczecin, Poland