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