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