%0 Journal Article %T INSTRUMENTAL METHOD FOR MONITORING THE SAFETY OF FIRE TRUCK POWER UNITS BASED ON EXHAUST GAS SMOKE OPACITY %A Satsuk, I.V. %K %J Siberian Fire and Rescue Bulletin %D 2025 %N 2025 %P 10 %I FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia