{TAIL ~ An inlet conduit} extends to a tangential opening formed in the inner wall member for introducing {HEAD ~ fluid} into an interior chamber 
{ TAIL ~ An inlet conduit } extends to a tangential opening formed in the inner wall member for introducing { HEAD ~ fluid } into an interior chamber
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH