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