The Coolest Way to Keep Food Cold Without Refrigeration

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  • In some parts of the world, people use ceramic pots, sand and water to keep their food cool.
  • These clay pot coolers are useful in places that don’t have power grids, or for people who don’t have fridges or want to cut their energy bills.
  • They also help protect the environment as they don’t require any sort of fuel, oil or gas.

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