{HEAD ~ A continuously operating electrical pump} is connected to the second chamber through {TAIL ~ a closed hydraulic system} including a multi valve chamber 
is connected through
{ HEAD ~ A continuously operating electrical pump } is connected to the second chamber through { TAIL ~ a closed hydraulic system } including a multi valve chamber
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH