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