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