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