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