The graphite formation and {TAIL ~ distribution} within {HEAD ~ the cast iron} has been shown to be a further influencing factor 
The graphite formation and { TAIL ~ distribution } within { HEAD ~ the cast iron } has been shown to be a further influencing factor
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH