{HEAD ~ The pressure sensor} receives {TAIL ~ air} from a restrictor in the supply line and is operative to maintain the pressure in the supply line substantially equal to the pressure surrounding the sensor 
receives
{ HEAD ~ The pressure sensor } receives { TAIL ~ air } from a restrictor in the supply line and is operative to maintain the pressure in the supply line substantially equal to the pressure surrounding the sensor
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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