Service provision of waste collection and urban sanitation, in terms of manual sweeping of streets and sidewalks and mechanical sweeping of streets, in the north area of Sumbe city, in Angola, covering an estimated population of 100 000 inhabitants.
Service provision of waste collection and urban sanitation, in terms of manual sweeping of streets and sidewalks and mechanical sweeping of streets, in the north area of Sumbe city, in Angola, covering an estimated population of 100 000 inhabitants.
