In {TAIL ~ the lower part} of the interior of the withdrawal section 1 can again be seen the glass melt 18 which is at such a level that it is not quite able to reach {HEAD ~ the level} of the molten sulfate withdrawal opening 
In { TAIL ~ the lower part } of the interior of the withdrawal section 1 can again be seen the glass melt 18 which is at such a level that it is not quite able to reach { HEAD ~ the level } of the molten sulfate withdrawal opening
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH 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 HEAD OTH OTH OTH OTH OTH OTH