{TAIL ~ A series} of {HEAD ~ passageways} 63 extend radially between the inner and outer surfaces 60, 58 of the sleeve 14 above the level of the lip 62 
{ TAIL ~ A series } of { HEAD ~ passageways } 63 extend radially between the inner and outer surfaces 60 , 58 of the sleeve 14 above the level of the lip 62
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH