Upon reaching {TAIL ~ a pre set pressure} in {HEAD ~ the on board storage tanks}, the process will be shut down automatically 
Upon reaching { TAIL ~ a pre set pressure } in { HEAD ~ the on board storage tanks } , the process will be shut down automatically
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH