The cured plastic from which {HEAD ~ the sleeve} is molded has {TAIL ~ a low coefficient} of friction for minimizing resistance at the slide bearing and high Youngs Modulus for maximum rigidity to maintain the relative angular positions of the shafts 
The cured plastic from which { HEAD ~ the sleeve } is molded has { TAIL ~ a low coefficient } of friction for minimizing resistance at the slide bearing and high Youngs Modulus for maximum rigidity to maintain the relative angular positions of the shafts
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL 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