The apparatus includes a member having a channel through which fluid flows and at least one opening of a predetermined diameter in {HEAD ~ communication} with {TAIL ~ the channel} 
with
The apparatus includes a member having a channel through which fluid flows and at least one opening of a predetermined diameter in { HEAD ~ communication } with { TAIL ~ the channel }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL