Upon attainment of the desired temperature level, a selected quantity of the reducing agent is introduced into the chamber for producing {TAIL ~ a reducing atmosphere} during {HEAD ~ the maturing} of the ceramic ware 
Upon attainment of the desired temperature level , a selected quantity of the reducing agent is introduced into the chamber for producing { TAIL ~ a reducing atmosphere } during { HEAD ~ the maturing } of the ceramic ware
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH