The microvalve includes a flap that is flexed by {TAIL ~ pressure} exerted on the flap by the vapor on the fluid in the channel to prevent {HEAD ~ the fluid} from flowing into portions of the channel 
The microvalve includes a flap that is flexed by { TAIL ~ pressure } exerted on the flap by the vapor on the fluid in the channel to prevent { HEAD ~ the fluid } from flowing into portions of the channel
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL 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 OTH