Instead of using refrigerated trucks to deliver medical supplies to people…

Instead of using refrigerated trucks to deliver medical supplies to people who live in the deserts of Africa, inventors have built solar-powered refrigerators that can be carried by camels, and so the medicines are delivered via refrigerated camel. Apparently it wasn’t that easy to build a camel-carried refrigerator. It had to be lightweight, but also sturdy enough to survive the motion of being on the camel as well as the extreme desert conditions.

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