niizam's device was triggered automatically in case of danger without human intervention.les were filled with powder with a thermal sensor, which reacted to fire. in belarus the latest innovative developments in the field of fire, emergency and rescue equipment are carried out at the research institute of fire safety and emergency problems of the ministry of emergency situations of belarus. deputy chief, our guest today is pavel vladimirovich, hello, we have already learned how humanity came to the modern fire extinguisher, now for us. i would like to know how many of these modern fire extinguishers, or rather, it would be more correct to say, types, exist today, what are in service? our industry today is able production of a wide range of fire extinguishers, they can be of different designs, both structurally and in principle and with different fire extinguishing agents, however, in firefighter practice, the most used is powder carbon dioxide fire extinguishers, as for powder fire extinguishers, they effectively allow you to extinguish both fires. solid, liquid and gaseou