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