Background. The work is devoted to the problem of evaluating the effectiveness of extinguishing open fires of solid combustible substances and materials. as well as internal (closed) fires (if it is impossible to ensure the sealing of the protected volume) by gas fire extinguishing installations when using gas extinguishing agents with special physicochemical properties. The aim of th... https://www.nacrack.com/amazing-price-1997-2000-BMW-528I-Front-Bumper-Reinforcement-Bar-Used-Original-Exterior-OEM-great-save/