Alternatively, the polymer for or the surface of one mold half of the mold assembly can be modified, e.g., chemically or electromagnetically, to alter {HEAD ~ the surface energy properties} of {TAIL ~ the polymer} 
of
Alternatively , the polymer for or the surface of one mold half of the mold assembly can be modified , e.g. , chemically or electromagnetically , to alter { HEAD ~ the surface energy properties } of { TAIL ~ the polymer }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL