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 carries on on its way Using the duty of carrying out organization Together with the most modern and advanced companies of the worldwide economic system, often considers the quality and satisfaction it provides to i