{TAIL ~ The illuminators} 43, 43, extend transversely across {HEAD ~ illuminating station} 10 as best illustrated in FIG 1 
{ TAIL ~ The illuminators } 43 , 43 , extend transversely across { HEAD ~ illuminating station } 10 as best illustrated in FIG 1
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH