A door 54 is provided for sealing, in the preferred embodiment, compartment 50 from gaseous communication with {HEAD ~ the atmosphere} exterior to {TAIL ~ the kiln} 
exterior to
A door 54 is provided for sealing , in the preferred embodiment , compartment 50 from gaseous communication with { HEAD ~ the atmosphere } exterior to { TAIL ~ the kiln }
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 REL TAIL TAIL TAIL TAIL TAIL TAIL