Peb muab cov khoom txias txias -rolled ribbed steel bar cov cuab yeej muaj peev xwm ntawm kev ncaj thiab txiav ntawm qhov ceev ntawm 300 meters ib feeb. Tam sim no lub nkoj thauj khoom khi rau Mali tab tom thauj khoom; peb zoo siab tos txais cov lus nug txog kev koom tes rau cov khoom siv no. Hauv -kab ncaj thiab txiav tshuab rau ob-ribbed thiab peb-ribbed steel tuav yog peb qhov tshwj xeeb.
