Compartment 50 is configured to receive {HEAD ~ a reducing agent} such as charcoal for producing {TAIL ~ a reducing atmosphere} within kiln 10 
Compartment 50 is configured to receive { HEAD ~ a reducing agent } such as charcoal for producing { TAIL ~ a reducing atmosphere } within kiln 10
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH