reducing the amount of oxidant supplied via the oxidant conduit when {HEAD ~ a temperature} in {TAIL ~ the fuel conduit} reaches a specified temperature 
in
reducing the amount of oxidant supplied via the oxidant conduit when { HEAD ~ a temperature } in { TAIL ~ the fuel conduit } reaches a specified temperature
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH