Inquiry (采购产品): maintenance of bridges hi iam a phd studend my topic is maintenance of tee beam bridges can you over 1)courses in subject 2)refrences my email mahaeltahir@hotmail.com p.o.box 10006 sudan kh c/o hissan hassan engineer maha mustafa eltahir (female) **** Hidden Message ***** maha eltahir p.o.box 10006 p.o.box 10006 khartoum, TN 11111 ZAF Company: ministry of planing and general utilites of kh. Title: debity of chief engineer of khartoum distrect Phone: 0912810186 Fax: 338525 E-mail: mahaeltahir@hotmail.com **** Hidden Message ***** mahaeltahir@hotmail.com