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