A suitable one way valve device is disposed in a connection between {TAIL ~ the inlet} and the cylinder, and {HEAD ~ another oppositely directed one way valve device} is disposed in a connection betweenn the outlet and each cylinder 
A suitable one way valve device is disposed in a connection between { TAIL ~ the inlet } and the cylinder , and { HEAD ~ another oppositely directed one way valve device } is disposed in a connection betweenn the outlet and each cylinder
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH