{HEAD ~ A predetermined amount} of {TAIL ~ the polymer asphalt master batch} is blended with a predetermined amount of the asphalt cross linking agent blend to form a PMA blend 
of
{ HEAD ~ A predetermined amount } of { TAIL ~ the polymer asphalt master batch } is blended with a predetermined amount of the asphalt cross linking agent blend to form a PMA blend
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH