{TAIL ~ The withdrawal section} is separated from the melting section by a first dividing wall extending downwardly and terminating above {HEAD ~ the surface} of the molten glass 
{ TAIL ~ The withdrawal section } is separated from the melting section by a first dividing wall extending downwardly and terminating above { HEAD ~ the surface } of the molten glass
TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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