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Old Jul 5, 2012 | 9:48 am
  #20  
Caradoc
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Join Date: Dec 2010
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Originally Posted by LarryJ
The AIT scanners purpose is to find non-metallic items which are concealed in, or under, a passengers clothes--something that the WTMD can not do. They'll also find metallic items as well. The threat of explosives, which would pass through the WTMD without any chance of detection, is what led to the adoption of the AIT scanners.
See the "pancake" argument for non-metallic, and Jonathan Corbett's demonstrations for metallic.

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