A method and {HEAD ~ system} for {TAIL ~ airport or other building security} where passengers or persons entering a building approach a check in point or check in counter and must undergo a positive identification by fingerprint scan, retinal or iris scan, face feature scan, or an other means of positive identification 
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A method and { HEAD ~ system } for { TAIL ~ airport or other building security } where passengers or persons entering a building approach a check in point or check in counter and must undergo a positive identification by fingerprint scan , retinal or iris scan , face feature scan , or an other means of positive identification
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