To realize the previously discussed countermeasure, a motor driven oil pump, which enables working oil supply prior to the engine start up, must be installed on {HEAD ~ the vehicle} separately from {TAIL ~ the engine drive pump} 
separately from
To realize the previously discussed countermeasure , a motor driven oil pump , which enables working oil supply prior to the engine start up , must be installed on { HEAD ~ the vehicle } separately from { TAIL ~ the engine drive pump }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL