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 accountability of doing enterprise While using the Most up-to-date and Innovative businesses of the global financial state, always considers the quality and pleasure it provides to