This passage is closed by {HEAD ~ rupture disc} 62, which is designed to remain intact when exposed to the normally expected differential pressure between {TAIL ~ the fluid} in the annulus and atmospheric pressure in cylinder 42 
This passage is closed by { HEAD ~ rupture disc } 62 , which is designed to remain intact when exposed to the normally expected differential pressure between { TAIL ~ the fluid } in the annulus and atmospheric pressure in cylinder 42
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD 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