Darina Dupláková is Associate Professor in the Faculty of Production Technologies at the Technical University in Košice, Slovakia. Her research interests include ergonomic rationalization, digital ergonomics, lighting simulation, data analysis, production process simulation and planning. In 2019, she was awarded as ‘‘Personality of Science and Technology under 35 Years”, for excellent scientific results in the field of lighting technology by the International Society of Engineering Pedagogues. Ján Duplák is Associate Professor in the Faculty of Manufacturing Technologies at the Technical University of Kosice, Slovakia. His research interests include advanced technologies, cutting materials, CNC machining and programming, simulation and manufacturing.