{HEAD ~ Each object} has {TAIL ~ a driven portion} including a moveable section pivotably supported on the object 
has
{ HEAD ~ Each object } has { TAIL ~ a driven portion } including a moveable section pivotably supported on the object
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH