Moving water is easier with the 20-gallon rolling drum. Source of photo: online version of the NYT article quoted and cited below.
(p. D3) . . . , the Cooper-Hewitt National Design Museum, . . . , is honoring inventors dedicated to “the other 90 percent,” particularly the billions of people living on less than $2 a day.
Their creations, on display in the museum garden until Sept. 23, have a sort of forehead-thumping “Why didn’t someone think of that before?” quality.
. . .
Interestingly, most of the designers who spoke at the opening of the exhibition spurned the idea of charity.
“The No. 1 need that poor people have is a way to make more cash,” said Martin Fisher, an engineer who founded KickStart, an organization that says it has helped 230,000 people escape poverty. It sells human-powered pumps costing $35 to $95.
Pumping water can help a farmer grow grain in the dry season, when it fetches triple the normal price. Dr. Fisher described customers who had skipped meals for weeks to buy a pump and then earned $1,000 the next year selling vegetables.
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(Note: ellipses added.)
The photo on the left shows a woman safely drinking bacteria-laden water through a filter. The photo on the right shows a "pot-in-pot cooler" that evaporates water from wet sand between the pots, in order to cool what is in the inner pot. Source of photos: online version of the NYT article quoted and cited above.
I like your story.