computer system sold as a unit for enhancing the performance of x-ray scanners and for instructing security personnel in the use of x-ray scanners to detect bombs, weapons and other contraband - comprising a computer, monitors, printer, keyboard, a track ball device for moving images on a monitor and computer programs and instructional manuals sold as a unit

'ball':44 'bomb':31 'compris':36 'comput':1,38,53 'contraband':35 'detect':30 'devic':45 'enhanc':8 'imag':48 'instruct':18,56 'keyboard':41 'manual':57 'monitor':39,51 'move':47 'perform':10 'personnel':20 'printer':40 'program':54 'ray':14,27 'scanner':15,28 'secur':19 'sold':3,58 'system':2 'track':43 'unit':6,61 'use':23 'weapon':32 'x':13,26 'x-ray':12,25

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