A bottled liter of water with a few teaspoons of bleach is proving to be a successful recipe for shanty dwellers in light-deprived slums of the Philippines.
A bottled liter of water with a few teaspoons of bleach is proving to be a successful recipe for shanty dwellers in light-deprived slums of the Philippines. The simple technology is spreading sunlight in places where it's never been, and saving residents money at the same time.
Šaltinis:
Reuters
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