Makam nüshas? 4’ten a?k?n olmayan kuut fakatçl? binalar kar?nin yang?n merdiveni zorunlulu?u yoktur.Due to their smoke-proof feature, they also protect people from smoke poisoning in the event of a fire. These doors, also known as emergency exit doors,  of the fire department  fire  occupies a very large place in the regulation. It kat???ks?