%0 Journal Article %T ENSURING THE WORK OF THE FIRE FIGHTING UNITS FOR EXTINGUISHING FIRES IN METRO BY MEANS OF THERMAL IMAGING SYSTEMS %A Terekhin, S.N. %A Nikolaev, D.V. %A Yusherov, K.S. %K metro, underground structures, gas and smoke protection service, fire hazards, thermal imager %J Problems of risk management in the technosphere %D 2018 %N 2018 %P 8 %I Saint-Petersburg University of State Fire Service of Emercom of Russia