{HEAD ~ The invention} is not limited to {TAIL ~ any particular number} of particular number of passageways or positioning of passageways along the yoke 
is not limited to
{ HEAD ~ The invention } is not limited to { TAIL ~ any particular number } of particular number of passageways or positioning of passageways along the yoke
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH