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