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