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 carries on on its way With all the responsibility of accomplishing small business With all the most modern and Highly developed companies of the global economic climate, constantly considers the quality and gra