Bellefontaine Examiner

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Clean sweep

Ecobot 1010

Elizabeth Treen, 13, of Lakeview, activates the “Ecobot” she engineered Tuesday during 4-H National Youth Science Day activities at the Chippewa Outreach Center, where students were challenged to make a robot from a toothbrush head, a motor from a pager and a watch battery to be used to clean up “a toxic waste spill.” (EXAMINER PHOTO | RICK PITTS)

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