TY JOUR TI COMPLEX CRITERION FOR SELECTION OF FIRE-TECHNICAL EQUIPMENT FOR EQUIPPING THE DEPARTMENTS OF EMERCOM OF RUSSIA KW probability of failure-free working KW fire-technical armament KW fire-technical equipment KW selection KW reliability KW risk of death KW damage KW relative total benefits JO Problems of risk management in the technosphere AU Saraev, I.V. AU Bubnov, A.G. PY 2018 IS 2018 PB Saint-Petersburg University of State Fire Service of Emercom of Russia