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Hi Amintafall,
well, time is a thing poor people have lots of. But a rope pump is one of the most efficient hand pumps, because it is a continous movement. 60l per minute (6 buckets) from 10m depth is possible. Even better would be a foot-operated rope pump, which is under development.
Akvofoundation 2 years ago
great work mark. Aren´t these people patient?? because to fill one bucket this way...
amintafall 2 years ago