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RE: RE: LITER OF LIGHT - low-cost light tube using bottel , water & sunlight

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RE: LITER OF LIGHT - low-cost light tube using bottel , water & sunlight

RE: LITER OF LIGHT - low-cost light tube using bottel , water & sunlight

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Tuesday, October 2, 2018 4:04 PM

Good one

Low cost light very useful for poor people who don't have power connections and also useful in disaster situations

Tuesday, October 2, 2018 4:04 PM

$ 0.327

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