Wind pumps •

These days, the windmills have often rusted a bit, since they aren’t built so much anymore, though they’re still in use. But why were they built at all? Well, mostly they drive pumps that pull water up from the earth to be drunk by the animals. That’s right: they’re like wind-driven spigots for cows! Photo Credit:  lga Ernst/Wikimedia Commons | CC BY-SA 4.0

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