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