Assessment of effectiveness of workstations in the selected production line Urszula Malaga-Toboła, Maciej Kuboń, Dariusz Kwaśniewski and Sławomir Kocira E3S Web Conf., 154 (2020) 07014 Published online: 09 March 2020 DOI: 10.1051/e3sconf/202015407014