Due to their smoke-proof feature, they also protect people from smoke poisoning in the event of a fire. These doors, also known birli emergency exit doors, of the fire department fire occupies a very large place in the regulation. It katışıksız been made compulsory to have it in many https://yang-n-merdiveni-kap-s-ik24691.collectblogs.com/76475543/yangın-kapısı-acil-çıkış-kapısı