Due to their smoke-proof feature, they also protect people from smoke poisoning in the event of a fire. These doors, also known bey emergency exit doors, of the fire department fire occupies a very large place in the regulation. It özgü been made compulsory to have it in many https://istanbul-yang-n-kap-s-fir36813.timeblog.net/67056162/yangın-merdiveni-kapısı-acil-çıkış-kapısı