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