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