The temperature of {HEAD ~ the PMA blend} during {TAIL ~ mixing} should be a temperature at which the blend is handleable 
during
The temperature of { HEAD ~ the PMA blend } during { TAIL ~ mixing } should be a temperature at which the blend is handleable
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH