1. Institute of Integral Safety in Trnava, Faculty of Materials Science and Technology, Slovak University of Technology in Bratislava, Ul. Jána Bottu 2781/25, SK-917 24 Trnava, Slovakia
2. Department of Production Engineering, Faculty of Technology, Tomas Bata University in Zlín, Vavrečkova 5669, CZ-760 01 Zlín, Czech Republic
3. Institute of Materials in Trnava, Faculty of Materials Science and Technology, Slovak University of Technology in Bratislava, Ul. Jána Bottu 2781/25, SK-917 24 Trnava, Slovakia
4. Institute of Production Technologies in Trnava, Faculty of Materials Science and Technology, Slovak University of Technology in Bratislava, Ul. Jána Bottu 2781/25, SK-917 24 Trnava, Slovakia