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Engineering

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.

earned this badge 3 times.
Why does public transport uses compressed air to open doors instead of electromotors?
Awarded May 7, 2018 at 2:49
How does one create a draft in a room (with a single window)?
Awarded Jul 18, 2016 at 16:36
Why do car wheels have holes?
Awarded May 19, 2015 at 19:53

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