This spray is then carried downstream over the outward radial portion of {HEAD ~ the flameholder} 50 adjacent {TAIL ~ the wall} of the liner 6 
This spray is then carried downstream over the outward radial portion of { HEAD ~ the flameholder } 50 adjacent { TAIL ~ the wall } of the liner 6
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH