**Józef Matuszek \*, Tomasz Seneta and Aleksander Moczała**

Faculty of Mechanical Engineering and Computer Science, University of Bielsko-Biala, Willowa 2, 43-309 Bielsko-Biała, Poland; tomasz.seneta@zf.com (T.S.); amoczala@ath.bielsko.pl (A.M.)

**\*** Correspondence: jmatuszek@ath.bielsko.pl; Tel.: +48-338-279-253

Received: 19 April 2020; Accepted: 31 May 2020; Published: 5 June 2020
