In a similar manner, FIG 9 shows a piston check valve 210 comprising electrodes 240 and 242, and {HEAD ~ valve member} 215 having {TAIL ~ conducting strip} 245 on a surface thereon 
having
In a similar manner , FIG 9 shows a piston check valve 210 comprising electrodes 240 and 242 , and { HEAD ~ valve member } 215 having { TAIL ~ conducting strip } 245 on a surface thereon
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 HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH