TY JOUR TI ON THE NEED TO CLARIFY THE HYDRAULIC CHARACTERISTICS COMING TO THE SUBDIVISIONS OF THE MINISTRY OF EMERGENCY SITUATIONS OF RUSSIA NEW FIRE HOSES KW hydraulic characteristics KW pump-hose systems KW fire hoses KW calculation models JO Siberian Fire and Rescue Bulletin AU Malyy, V.P. AU Kurtov, S.O. AU YArovoy, V.Y. PY 2022 IS 2022 PB FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia