TY JOUR TI A METHOD FOR DETERMINING THE FREQUENCY OF FIRES AT FACILITIES WITH STORAGE AND MAINTENANCE OF VEHICLES RUNNING ON GAS FUEL KW car KW gas cylinder equipment KW frequency of fire occurrence KW fire risk calculation JO Problems of risk management in the technosphere AU Prostov, E.E. PY 2024 IS 2023 PB Saint-Petersburg University of State Fire Service of Emercom of Russia