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jim_chung
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Toronto
Joined May 16th, 2010
6
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I'm a health care professional, amateur astronomer, author and occasional car and motorcycle mechanic.
jimchungblog.com
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jim_chung's Instructables
PIR Activated Pest Control Trap
Making a Historically Important 1:32 Scale Mazda Rx7 Slot Car
Jim's Rising Chair
Dremel Centrifuge
Arduino Spectrophotometer
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