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Sunlight-powered 'bulbs' made from plastic bottles light up homes | Ethical and green living | The Guardian
FIRST College - The SALt Lamp is an environment-friendly light source invented by a Filipina scientist that runs on saltwater. #TechThursdays Follow our social media accounts: 📍YOUTUBE:https://tinyurl.com/FIRSTSchoolYT 📍INSTAGRAM:https://www ...
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