The reducing agent, if reintroduced in the kiln, produces {HEAD ~ a reducing atmosphere} within the chamber for {TAIL ~ further reduction} of the ceramic ware 
The reducing agent , if reintroduced in the kiln , produces { HEAD ~ a reducing atmosphere } within the chamber for { TAIL ~ further reduction } of the ceramic ware
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH