الحالة: Complete الموضع: Addis Ababa - Ethiopia منطقة: Africa Total cost: 0 المدة الزمنية: All day البداية: 31 December 2012 النهاية: 31 December 2012 Working Areas Operation & Maintenance Organizations Involved Addis Ababa Water and Sewerage Authority — Lead MenteeCompanhia de Saneamento de Minas Gerais, Brazil — Lead Mentor