When {HEAD ~ the amount} of gas necessary to fill the bladder is confirmed by a sensor, the fill valve will close and {TAIL ~ a signal} sent to the pressure pump on the hydraulic system to pump hydraulic fluid into the annulus between the bladder and steel cylinder 
When { HEAD ~ the amount } of gas necessary to fill the bladder is confirmed by a sensor , the fill valve will close and { TAIL ~ a signal } sent to the pressure pump on the hydraulic system to pump hydraulic fluid into the annulus between the bladder and steel cylinder
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH