The tank includes {TAIL ~ a part} connected to the oil outlet conduit and a lower part connected to {HEAD ~ the oil inlet conduit} 
The tank includes { TAIL ~ a part } connected to the oil outlet conduit and a lower part connected to { HEAD ~ the oil inlet conduit }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD