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