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Made partly from repurposed bicycle parts, rollerblade wheels, and an old exercycle, the Rootwasher cleans twenty kilograms of roots in under five minutes and does not require any electricity to operate. A five-acre vegetable farm harvests up to 250 kilograms of root crops per week, including radishes, carrots, turnips, potatoes, parsnips, and celeriac. Washing the roots by hand can take about three hours per 250 kilograms, and is very unpleasant in cold weather. The bicycle-powered Rootwasher provides the farmer with gentle exercise and helps makes washing roots fun.
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