The melt temperature of the second thermoplastics material may be higher than {HEAD ~ the melt temperature} of {TAIL ~ the first thermoplastics material} 
of
The melt temperature of the second thermoplastics material may be higher than { HEAD ~ the melt temperature } of { TAIL ~ the first thermoplastics material }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL