{HEAD ~ A further subsidiary object} is to provide {TAIL ~ a bushing} having external projections for a pivot pin 
is to provide
{ HEAD ~ A further subsidiary object } is to provide { TAIL ~ a bushing } having external projections for a pivot pin
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH