iii) blending a predetermined amount of the polymer asphalt master batch with {TAIL ~ a predetermined amount} of the asphalt cross linking {HEAD ~ agent blend} to form a PMA blend; and 
iii ) blending a predetermined amount of the polymer asphalt master batch with { TAIL ~ a predetermined amount } of the asphalt cross linking { HEAD ~ agent blend } to form a PMA blend ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH