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Dick Johnson
Oak Park, Illinois, United States
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March 4, 2024, 10:06 a.m. PST
Re-X Before Recycling Prize
registered for challenge
Sept. 22, 2023, 3:01 p.m. PDT
Wind Turbine Materials Recycling Prize
created a new topic to
Posting video
July 17, 2023, 9:09 a.m. PDT
Wind Turbine Materials Recycling Prize
registered for challenge
