{TAIL ~ A plurality} of circumferentially spaced passages 74 extend radially through the sleeve 14 from near the base of {HEAD ~ the gallery} 72 
{ TAIL ~ A plurality } of circumferentially spaced passages 74 extend radially through the sleeve 14 from near the base of { HEAD ~ the gallery } 72
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH