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Useless Engineer
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Joined January 24th, 2014
27
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love science and technology
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Useless Engineer's Instructables
(DIY)Paper Plane Launcher
HHO Dry Cell (Turning Water in to Fuel)
How to Remove Toughest Stain Ever
All in One Wheel
Spiral Led Christmas Tree
Charging Mobile From 9V Battery
Emergency Power Bank(DIY)
How to Use Mobile As Remote
Variable Pocket Power Supply
How to Unlock a Zip Tie
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