The plastic member is inserted in the metal member and annealed to conform the profile of {TAIL ~ the plastic member transition section} with a streamlined transition section of {HEAD ~ the metal outer member} 
The plastic member is inserted in the metal member and annealed to conform the profile of { TAIL ~ the plastic member transition section } with a streamlined transition section of { HEAD ~ the metal outer member }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD