This assures that the melting of the components of the batch will be rapid and energy saving, and that at the same time the glass melting furnace will operate under specific conditions despite varying composition of the batch and will supply {HEAD ~ molten glass} which can be further processed with {TAIL ~ no problems} 
This assures that the melting of the components of the batch will be rapid and energy saving , and that at the same time the glass melting furnace will operate under specific conditions despite varying composition of the batch and will supply { HEAD ~ molten glass } which can be further processed with { TAIL ~ no problems }
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL