{TAIL ~ a hydraulic connection} leading from said brake circuit to {HEAD ~ low pressure} and high pressure accumulator systems; and 
{ TAIL ~ a hydraulic connection } leading from said brake circuit to { HEAD ~ low pressure } and high pressure accumulator systems ; and
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH