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Pedal power to recharge light in Rwanda | Global ideas |
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תאריך: 13/05/2012 08:03   - על ידי: bambarw   - 930 צפיות   - קטגוריה: שונים
Rural Rwandan households usually rely on dangerous and unhealthy kerosene lamps for illumination. Now one project has come up with an innovative ...
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