{HEAD ~ The yoke} 40 defines {TAIL ~ a plurality} of passageways or openings, e.g., openings 48, 50, which can be located at any position along the yoke 40, but preferably generally proximate the upper end thereof 
defines
{ HEAD ~ The yoke } 40 defines { TAIL ~ a plurality } of passageways or openings , e.g. , openings 48 , 50 , which can be located at any position along the yoke 40 , but preferably generally proximate the upper end thereof
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL 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 OTH