Light which is generated by {TAIL ~ the illuminators} is focussed by focussing reflectors 42, 42, into a pair of {HEAD ~ converging light beams} 85, 85 
Light which is generated by { TAIL ~ the illuminators } is focussed by focussing reflectors 42 , 42 , into a pair of { HEAD ~ converging light beams } 85 , 85
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH