مزحة بواسطة مدفع هوائي

[postlink] https://videofoo.blogspot.com/2012/11/blog-post_986.html[/postlink]

http://www.youtube.com/watch?v=wmM00LDnLBIendofvid

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Early morning prank in the lab. The short version. If you want to see how we did it, check out the long version!
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