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