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