@zarifkumaro: The sun is the

RE: RE: Ecoppia E4 - Autonomous solar panel cleaning system

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RE: Ecoppia E4 - Autonomous solar panel cleaning system

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2018-10-06 02:40

The sun is the biggest energy source. The solar panels must remain clean.

2018-10-06 02:40

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@zarifkumaro: The sun is the