A reservoir 1, wherein the tank comprises {TAIL ~ a high portion} in communication with the at least one oil outlet conduit and {HEAD ~ a low portion} in communication with the at least one oil inlet conduit 
A reservoir 1 , wherein the tank comprises { TAIL ~ a high portion } in communication with the at least one oil outlet conduit and { HEAD ~ a low portion } in communication with the at least one oil inlet conduit
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH