gumper

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Joined bestofyoutube.com: October 2015 (8 years ago)

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gumper's latest activity:

Video comments:

Video submissions:
1. Gravity Battery for renewable energy - 4 years ago
2. Rebuilding Main Street - 7 years ago
3. Smells like updog - 7 years ago

Link submissions:

Latest voted videos
1. The highway where trucks work like electric trains - 2 years ago
2. How to "Google It" like a Senior Software Engineer - 2 years ago
3. RARE Japanese Toshiba Typewriter - 3 years ago

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