The production of the one dimensional line source image is produced by {HEAD ~ an anamorphic imaging system}, which is preferably {TAIL ~ a trough type reflector} facing the illumination source in parallel relation therewith 
is preferably
The production of the one dimensional line source image is produced by { HEAD ~ an anamorphic imaging system } , which is preferably { TAIL ~ a trough type reflector } facing the illumination source in parallel relation therewith
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH