In addition, {HEAD ~ a plurality} of check valves 66 extend through the flange 30 beneath {TAIL ~ the tubular member} 18 
In addition , { HEAD ~ a plurality } of check valves 66 extend through the flange 30 beneath { TAIL ~ the tubular member } 18
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH