{TAIL ~ A passageway} for {HEAD ~ fluid} is accordingly provided through port 202, annular grooves 221 and 220, drilled passage 225, bore 224, orifice 227, bore 226, grooves 223 and 219 to port 203 
{ TAIL ~ A passageway } for { HEAD ~ fluid } is accordingly provided through port 202 , annular grooves 221 and 220 , drilled passage 225 , bore 224 , orifice 227 , bore 226 , grooves 223 and 219 to port 203
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH