Flow is induced throughout {HEAD ~ the shell} 12 and {TAIL ~ associated system} by the circulating pump 72, which is electrically operated 
Flow is induced throughout { HEAD ~ the shell } 12 and { TAIL ~ associated system } by the circulating pump 72 , which is electrically operated
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH