the historical evolution of cobblestone road in ethiopia
environmental impact assessment report on Development Zone, and water consumption volume by the project is at 49.6m3/d, out of which, 35m3/d are water for vessels, 7.6m3/d are for domestic use, 3m3/d are flushing water for mobile machinery, 0.5m3/d is for mechanic repair and miscellaneous purposes, and 3.5m3/d are for road