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 özgü been made compulsory to have it in many https://yang-n-merdiveni-kap-s91357.getblogs.net/63693843/yangın-kapısı-İstanbul