AWS D1.1 D1.5 Amurka Standard A588 Corten Karfe Faranti da aka yi da Tsarin Karfe Truss Beam Bridge da aka ƙera kamar yadda aka nuna.

Ta hanyar gogewa da yawa a fannin aikin kasuwa na Amurka, muna da ikon yin ayyuka daban-daban da suka shafi tsarin ƙarfe na Amurka da kyau.