Understanding how a solar oven works, and how to use it

(Natural News) Preppers like to think outside the box, and they know how useful a solar oven can be, especially during an SHTF scenario. Thanks to technology, solar ovens have helped preppers all around the globe to harness sunlight to cook food in an eco-friendly way. (h/t to SmartPrepperGear.com) How does a solar oven work? There…

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