{HEAD ~ The continuous sheet} is directed through {TAIL ~ a chilling station} where it is chilled and firmed such that the sheet maintains its extruded cross sectional configuration 
is directed through
{ HEAD ~ The continuous sheet } is directed through { TAIL ~ a chilling station } where it is chilled and firmed such that the sheet maintains its extruded cross sectional configuration
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH