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In page X-ray:

"
  • Authentication and quality control of packaged items.
  • Industrial CT (computed tomography), a process that uses X-ray equipment to produce three-dimensional representations of components both externally and internally. This is accomplished through computer processing of projection images of the scanned object in many directions.[citation needed]
  • Airport security luggage scanners use X-rays for inspecting the interior of luggage for security threats before loading on aircraft.[citation needed]