A reservoir separate from {TAIL ~ the sump} is provided and sized to hold a measured amount of {HEAD ~ fluid} 
A reservoir separate from { TAIL ~ the sump } is provided and sized to hold a measured amount of { HEAD ~ fluid }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD