TY JOUR TI Risk Management at Operation of Dangerous Technical Systems on the Basis of Non-Destructive Control KW dangerous technical systems KW non-destructive control KW long distance pipe lines KW flues KW step-by-step risk management KW risk mitigation costs effectiveness KW risky expenses optimization JO Safety in Technosphere AU Akatev, V.. AU Metelkin, E.. AU Barysheva, E.Y. AU Akat'ev, A.P. PY 2020 IS 9 PB INFRA-M Academic Publishing LLC.