Upon completion of {TAIL ~ foaming} and {HEAD ~ cross linking}, the article is expanded while warm and cooled in the expanded state 
Upon completion of { TAIL ~ foaming } and { HEAD ~ cross linking } , the article is expanded while warm and cooled in the expanded state
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH