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