? 1. Proje Uyumlulu?u: Yap?n?n konumuna, kullan?m amac?na ve iklim ?artlar?na uygun tasarlanmas? gerekir.Çelik Yap?, which carries on on its way While using the responsibility of carrying out small business While using the most modern and Superior firms of the worldwide economy, usually considers the quality and pleasure it provides to its clients