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Andy Devis
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How Does a Key Work?

The key is inserted into a cylinder called a plug which is prevented from rotating against the fixed outer part called hull because the pins don't line up inside. As the key is inserted, individual spring loaded pins are pushed up until the gap between the key pin and the driver pin reaches the sheer line. Now, the plug can rotate, voila!

For a diagram explaining how this works: http://goo.gl/IxZou
Video source: Animated: How locks works!

H/T to +Art Jonak for the find.

#ScienceSunday #SciSunRR  
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Yeah I love difficult Keywords
We all know that when we have a lot of SEO tactics, someone hit less competitive keywords, hit difficult keywords, hit contents, others hit backlinks as a key strength to improve keyword rankings. Thi...
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We all know that when we have a lot of SEO tactics, someone hit less competitive keywords, hit difficult keywords, hit contents, others hit backlinks as a key strength to improve keyword rankings. Thi...
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Hi Everyone, Im new member. Nice to meet all you. Love to make friends. :)
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That why I love natural foods
Economic development, high-tech help to improve life expectancy and quality of life of people. But the flip side of it, such as environmental pollution, food chemicals, unhygienic, tobacco smoke, emis...
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Have him in circles
22 people
Vuong nguyen huu's profile photo
Debalina Chaudhuri's profile photo
Jacob Colman (ITechLine)'s profile photo
Robby Hernandez's profile photo
Jaime DelGreco's profile photo
Khanh La's profile photo
Mo Moumenine's profile photo
Andrew Saemos's profile photo
Hiren Gohel's profile photo
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