{TAIL ~ A scanner} 18 wherein the scanner has {HEAD ~ a roller transport} for positioning articles to be scanned 
{ TAIL ~ A scanner } 18 wherein the scanner has { HEAD ~ a roller transport } for positioning articles to be scanned
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH