Yang?n kap?s?, intizaml? hizmet gerektirir. Yang?n kapkalori?n nizaml? olarak test edilmesi ve bak?m? bünyelmas?, kap?n?n yang?na kar?? dayan?kl?l???n? ve çhile??abilirli?ini korur.Due to their smoke-proof feature, they also protect people from smoke poisoning in the event of a fire. These doors, also known kak?m emergency exit doors,  of the fi