TY JOUR TI THEORY AND PRACTICE OF ENSURING THE SAFETY OF THE USE OF POWER PLANTS OF FIRE TRUCKS OF 4–5 GENERATIONS IN EMERGENCY SITUATIONS KW fire truck KW power plant KW integrated safety KW emergency KW failure KW diagnostics JO Problems of risk management in the technosphere AU Gavkalyuk, B.V. AU Lozhkin, V.N. AU Smirnov, A.S. PY 2023 IS 2023 PB Saint-Petersburg University of State Fire Service of Emercom of Russia