However, the horizontal gas flow flows far above from the tip of the core burner flame, so that it is possible to raise the height of {HEAD ~ the core partition} to {TAIL ~ the extent} such that the core partition does not prevent the flow of the horizontal gas 
However , the horizontal gas flow flows far above from the tip of the core burner flame , so that it is possible to raise the height of { HEAD ~ the core partition } to { TAIL ~ the extent } such that the core partition does not prevent the flow of the horizontal gas
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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH