Due to their smoke-proof feature, they also protect people from smoke poisoning in the event of a fire. These doors, also known kakım 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 buildings https://rafaelmicxq.jiliblog.com/89420650/yangın-merdiveni-kapısı-hakkında-gerçekler-açığa