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