TY JOUR TI COMPARATIVE STUDY OF METHODS OF FIXING THE MATERIAL SITUATION AT THE FIRE SITE KW polymer materials KW fire KW resistive method KW fire technical expert JO Problems of risk management in the technosphere AU Sysoyeva, T.P. AU Fedorov, A.S. AU Lobova, S.F. PY 2024 IS 2024 PB Saint-Petersburg University of State Fire Service of Emercom of Russia