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A comment on Roomba Inventor Joe Jones on His New Weed-Killing Robot. Parent comment

Re:Roomba Inventor Joe Jones on His New Weed-Killing Robot by colordrops on Friday July 07, 2017 @04:54AM (#14717029)
It's explained in the video. It scrubs the ground to prevent weed saplings from growing.
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Re:Roomba Inventor Joe Jones on His New Weed-Killing Robot by jprissi on Friday July 07, 2017 @09:41AM (#14718218)
Thanks, I didn't pay attention to the video the moment he said that.
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