Advantageously, by controlling the amount of reducing agent inserted during this step, a reducing and then reoxidizing atmosphere can occur in {HEAD ~ order} to produce {TAIL ~ certain desirable glaze effects} 
to produce
Advantageously , by controlling the amount of reducing agent inserted during this step , a reducing and then reoxidizing atmosphere can occur in { HEAD ~ order } to produce { TAIL ~ certain desirable glaze effects }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL