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Cyklo Kuchyňa - Urob si sám séria počas týchto časov. č. 2. (cely navod: https://www.popularmechanics.com/technology/gadgets/how-to/a10245/pedal-power-how-to-build-a- bike-generator-16627209/ ) DIY series during the quarantine times. Part 2 (read more ...
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