{HEAD ~ The period} of {TAIL ~ time} that the PMA blend is mixed should be sufficient to ensure an effective dispersion and subsequent integration of the cross linking agent and polymer to form a polymer network within the asphalt, thus forming the PMA 
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{ HEAD ~ The period } of { TAIL ~ time } that the PMA blend is mixed should be sufficient to ensure an effective dispersion and subsequent integration of the cross linking agent and polymer to form a polymer network within the asphalt , thus forming the PMA
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH