Micro Hydro
355.3 هزار بار بازدید -
10 سال پیش
-
Chris Mason explains how he
Chris Mason explains how he has harnessed his modest mill stream to generate a significant proportion of his domestic electricity. Could you do something similar?
10 سال پیش
در تاریخ 1393/09/30 منتشر شده
است.
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