three. 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 performing organization Along with the most modern and Superior corporations of the worldwide economy, often considers the quality and pleasure it provides to its