Therefore, because {HEAD ~ the second sleeve} 50 fits snugly within {TAIL ~ the terminal portion} of the prealigned bore 92, the longitudinal axis of the core 20 is substantially aligned with the longitudinal axis of the bushing 94 thereby ensuring substantial alignment between juxtaposed waveguides 
fits snugly within
Therefore , because { HEAD ~ the second sleeve } 50 fits snugly within { TAIL ~ the terminal portion } of the prealigned bore 92 , the longitudinal axis of the core 20 is substantially aligned with the longitudinal axis of the bushing 94 thereby ensuring substantial alignment between juxtaposed waveguides
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL 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 OTH OTH OTH OTH OTH OTH