{HEAD ~ Reflections} from the indicia 12 illuminated by the line 16 are focused by {TAIL ~ the imaging lens} 18 onto a sensor 20, such as a linear charge coupled device  
are focused by
{ HEAD ~ Reflections } from the indicia 12 illuminated by the line 16 are focused by { TAIL ~ the imaging lens } 18 onto a sensor 20 , such as a linear charge coupled device
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH