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3 ms·

1. 1.▲
   by tgvcfgtbvcfgh 16y ago

   The TSA systems (at least the backscatter X-ray) do use a focussed moving beam to build up an image. They rely on the continual movement of the beam to limit the dose. There are a number of safety systems to prevent the machine leaving the
2. 2.▲
   by tgvcfgtbvcfgh 16y ago

   It can be done if the people have good equipement and REALLY know what they are doing. The trouble is that the venue hire the cheapest people to fit the system and have no clue how to run it. Since nobody knows how the good the system is be
3. 3.▲
   by tgvcfgtbvcfgh 16y ago

   It all balances out. The industrial revolution removed the need for lots of manual laborers and replaced unskilled jobs with machines. But then TV came along and created even more jobs for the unskilled than the patent crop rotator over des