a divider extending between said shaft and said inside surface and said top plate and bottom plate, said {HEAD ~ divider} forming {TAIL ~ a seal} at said inside surface and said top plate and bottom plate 
a divider extending between said shaft and said inside surface and said top plate and bottom plate , said { HEAD ~ divider } forming { TAIL ~ a seal } at said inside surface and said top plate and bottom plate
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH