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