The flow control member 128, 129 is coupled to a piezoelectric system which includes {HEAD ~ several springs} 146, 136, 140, {TAIL ~ a latch} 132, and a piezoelectric actuator 130 
The flow control member 128 , 129 is coupled to a piezoelectric system which includes { HEAD ~ several springs } 146 , 136 , 140 , { TAIL ~ a latch } 132 , and a piezoelectric actuator 130
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH