a software programme, which can be installed on certain x-ray machines. The programme projects virtual images of threat articles (e.g. a gun, knife, improvised explosive device) within the x-ray image of a real bag under examination, and provides immediate feedback to the x-ray machine operator on the operator's ability to detect such images.
Online Language Learning Tool SkELL allows users to search for phrases in sentences, collocates and similar words. These examples have been automatically selected and may contain errors.
