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