While the description contained herein primarily refers to the use of a yoke 40 having two passageways 48, 50, it is understood that the present invention contemplates {HEAD ~ the use} of {TAIL ~ a yoke} having more than two passageways as well 
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While the description contained herein primarily refers to the use of a yoke 40 having two passageways 48 , 50 , it is understood that the present invention contemplates { HEAD ~ the use } of { TAIL ~ a yoke } having more than two passageways as well
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 HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH