Solar Bottle Bulbs

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Solar Bottle Bulbs
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These plastic bottles are now being viewed as a green, cheap and sustainable way to light homes. In rural Manila where homes are often built so close to each other that they have no windows or natural light these bottles are a God send. With electricity unaffordable or unavailable for many families ...
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Category: inventions
Date: 2012-03-21 13:59:31
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