Deciwatt GravityLight Engineering For Change
Price: $ 39.00
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GravityLight is a gravity-powered lamp designed by Deciwatt for use in developing or third-world nations as a replacement for kerosene lamps. It uses a bag filled with rocks or
GravityLight: lighting for developing countries.
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GravityLight: lighting for developing countries.
Deciwatt
The GRAVITY-powered lamp that could bring 1.5billion people out of the darkness
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