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