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Do You Really Know How a Retractable Pen Works?

Do You Really Know How a Retractable Pen Works?


You know all the parts, but I bet you can't explain it. You've disassembled and reassembled retractable pens dozens of times. Who hasn't? But do you actually, really know how they work? Yes there's a spring and then the button also a weird tube thing and another spring sometimes then yes the clicky part or something. It seems dead simple until you actually try to think through it.

The below gif from Engineer Guy Bill Hammack will help you know all things that how a retractable pen works!




Email: sales@SourceEC.com.my
Website: SourceEC.com.my


原文見: - | SourceEC - Corporate Gifts Malaysia | Promotional Gifts | Door Gifts Blog
Do You Really Know How a Retractable Pen Works? Reviewed by Unknown on 9:30 AM Rating: 5

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