TY JOUR TI DIAGNOSTICS OF MOBILE FIRE PROTECTION EQUIPMENT USING A DYNAMIC ENGINE LOADING ROBOT-MANIPULATOR KW mobile fire extinguishing equipment KW diesel engine KW technical condition KW diagnostics KW robotic tools JO Problems of risk management in the technosphere AU Gavkalyuk, B.V. AU Lozhkin, V.N. PY 2025 IS 2025 PB Saint-Petersburg University of State Fire Service of Emercom of Russia