{HEAD ~ The iron} contains alloying elements that enhance the high temperature thermal fatigue and hot oxidation resistance in {TAIL ~ service} 
{ HEAD ~ The iron } contains alloying elements that enhance the high temperature thermal fatigue and hot oxidation resistance in { TAIL ~ service }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL