In the hollow shaft embodiment one cooling {HEAD ~ shoe chamber} has {TAIL ~ an outlet} in communication with the nozzle via the shaft 
has
In the hollow shaft embodiment one cooling { HEAD ~ shoe chamber } has { TAIL ~ an outlet } in communication with the nozzle via the shaft
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 OTH