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low consumption motor using small solar panel (also inside office calculator) and DC GENERATOR
JPEG Image - 226.37 kB - 11/18/2018 at 16:56
JPEG Image - 67.58 kB - 11/18/2018 at 16:56
JPEG Image - 93.88 kB - 11/18/2018 at 16:56
JPEG Image - 13.12 kB - 11/18/2018 at 16:56
JPEG Image - 13.19 kB - 11/18/2018 at 16:56
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