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