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