Svitlana Petrovska, Associate Professor of the Department of Socio-Economic Disciplines of Sumy branch of Kharkiv National University of Internal Affairs, organized a binary lesson on the discipline "Fundamentals of Occupational Safety" for fourth-year full-time students with the participation of Mykhailo Petrovskyi, Associate Professor of the Department of Electric Power Engineering of Sumy State University, Candidate of Physical and Mathematical Sciences.