Also included is a pump associated with the fluid source, the pump being operable in a first state to pump fluid from the fluid source to a first location; and the pump being operable in {HEAD ~ a second state} to pump {TAIL ~ fluid} from the fluid source to a second location 
to pump
Also included is a pump associated with the fluid source , the pump being operable in a first state to pump fluid from the fluid source to a first location ; and the pump being operable in { HEAD ~ a second state } to pump { TAIL ~ fluid } from the fluid source to a second location
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH