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