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How to build a Solar Bottle Bulb
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Solar Lights from Soda Bottles
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A Liter of Light" Aims to Illuminate 1 Million Homes With Plastic Solar Bottle Bulbs
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Solar Bottle Bulb | dooiy
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Innovative design of solar bottle bulb with attached solar panel... | Download Scientific Diagram
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DIY Solar Bottle Bulb | Bored Panda
How to build a Solar Bottle Bulb
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Solar Water Bulb - Economical Bulbs - Your Projects@OBN
An Innovative and Cheap 'Solar Bottle Bulb' Solution Lights Homes in Manila
