{HEAD ~ The kiln} is heated further to a temperature which may be above the noted upper limit, to obtain the maturing point of {TAIL ~ the clay} and glazes 
{ HEAD ~ The kiln } is heated further to a temperature which may be above the noted upper limit , to obtain the maturing point of { TAIL ~ the clay } and glazes
HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH