TY JOUR TI OCCUPATIONAL SAFETY DURING THE OPERATION OF LIFTING STRUCTURES KW lifting structures KW safety KW safety devices KW Rostechnadzor JO Modern Technologies and Scientific and Technological Progress AU Kobak, E.A. AU Krasnova, A.R. PY 2024 IS 2024 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»