It is yet another object of {HEAD ~ the present invention} to provide {TAIL ~ an apparatus} for providing confidentiality to a printing operation which is less mechanically complex relative to document security devices which have heretofore been designed 
to provide
It is yet another object of { HEAD ~ the present invention } to provide { TAIL ~ an apparatus } for providing confidentiality to a printing operation which is less mechanically complex relative to document security devices which have heretofore been designed
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