Dominika Siwiec is Assistant Professor at the Department of Machine Technology and Production Engineering at the Rzeszow University of Technology (Poland). Her research focuses on predicting product quality and life cycle sustainability assessment. She has been listed in Stanford University's ranking of the World's Top 2% Scientists.Andrzej Pacana is Full Professor of the Rzeszow University of Technology and vice-dean for education at the Faculty of Mechanical Engineering and Aviation of the Rzeszow University of Technology (Poland). His research focuses on process improvement in production engineering. He has been listed in Stanford University's ranking of the World's Top 2% Scientists.