Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
Support of the sides of an excavation made out of concrete, bricks, stone or precast concrete rings. During construction, the lining provides protection against caving and collapse and prevents crumbling ground from filling up the dug hole. After completion of the well it retains the walls.
Support of the sides of an excavation made out of concrete, bricks, stone or precast concrete rings. During construction, the lining provides protection against caving and collapse and prevents crumbling ground from filling up the dug hole. After completion of the well it retains the walls.
