BigBelly

Bigbelly was originally a solar powered , rubbish-compacting bin, manufactured by US company Bigbelly Solar for use in public spaces such as parks, beaches, amusement parks, universities, retail properties, grocery industry...

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Solar still

A still solar distills water, using the heat of the Sun to evaporate, cool then collect the water. There are Many Types of solar still, Including large scale Concentrated solar stills , and condensation traps (better...

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