Also, {HEAD ~ the injection 118a arrangement} serves to adequately mix {TAIL ~ the fuel} and air 
serves to adequately mix
Also , { HEAD ~ the injection 118a arrangement } serves to adequately mix { TAIL ~ the fuel } and air
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH