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 Together with the duty of doing business enterprise Along with the Latest and Sophisticated providers of the worldwide economic system, always considers the standard and satisfaction it prov