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The trouble is all that heat is just floating away into the air. We need a way to keep it from escaping. Think. . . How do I do this ? . . Hmm . . . |
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Let's put the Black Metal sheet in a
box and put a GLASS COVER over the box.
That will let the sun shine in
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Just Like This!! |
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All we need to do now is make a way to take the heat from the box and use it to heat the house. And I know just how to do it! |
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