TY JOUR TI FIRE SAFETY SERVICE ACCORDING TO THE CRITERIA OF TECHNICAL READINESS OF SPECIAL-PURPOSE VEHICLES KW service KW fire safety KW special vehicle KW technical readiness KW efficiency criterion KW regression equation KW diagnostics JO Problems of risk management in the technosphere AU Gavkalyuk, B.V. AU Lozhkin, V.N. AU Satsuk, I.V. PY 2024 IS 2024 PB Saint-Petersburg University of State Fire Service of Emercom of Russia