3. Yal?t?m ve Yang?n Güvenli?i: Yang?na dayan?kl? kaplamalar ve ?s? yal?t?m? sa?layan malzemeler tercih edilmelidir.Çelik Yap?, which proceeds on its way With all the obligation of carrying out business enterprise Together with the most modern and Innovative companies of the global economy, constantly considers the standard and fulfillment it pro