The first chamber is connected with the pump and {TAIL ~ one outlet} while the second chamber is connected to {HEAD ~ the other outlet} 
The first chamber is connected with the pump and { TAIL ~ one outlet } while the second chamber is connected to { HEAD ~ the other outlet }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD