As best shown in FIG 3, the bottom section of {TAIL ~ kiln} 10 is provided with a floor 44 having {HEAD ~ an opened portion} 45 central thereof 
As best shown in FIG 3 , the bottom section of { TAIL ~ kiln } 10 is provided with a floor 44 having { HEAD ~ an opened portion } 45 central thereof
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH