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Whatever Happened To ... The Mission To Get Rid Of Rwanda's Dirt Floors?

After an earthen floor is put down, it is covered with an oil-based floor sealant that hardens and makes it easy to clean. (Jacques Nkinzingabo/Courtesy of EarthEnable)
After an earthen floor is put down, it is covered with an oil-based floor sealant that hardens and makes it easy to clean. (Jacques Nkinzingabo/Courtesy of EarthEnable)

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