In the heat transfer chamber there are a plurality of {HEAD ~ first tubes} connecting {TAIL ~ the feed chamber} to the transfer chamber and a plurality of second tubes connecting the transfer chamber to the delivery chamber 
In the heat transfer chamber there are a plurality of { HEAD ~ first tubes } connecting { TAIL ~ the feed chamber } to the transfer chamber and a plurality of second tubes connecting the transfer chamber to the delivery chamber
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH