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Another great channel to follow is Rob Avis https://www.youtube.com/user/VergePermaculture https://www.youtube.com/user/VergePermaculture He's an engineer from
by moonsu 6y ago
Another great channel to follow is Rob Avis https://www.youtube.com/user/VergePermaculture https://www.youtube.com/user/VergePermaculture
He's an engineer from the oil and gas industry and he's excellent at designing for energy efficiency