The novel lance of {TAIL ~ the present invention} may be used with a conventional axisymmetric burner or with a nonaxisymmetric burner preferably having a shape similar to {HEAD ~ the shape} of the lance to thereby generate a curved or flat flame which is more readily adapted to effect uniform heat transfer 
The novel lance of { TAIL ~ the present invention } may be used with a conventional axisymmetric burner or with a nonaxisymmetric burner preferably having a shape similar to { HEAD ~ the shape } of the lance to thereby generate a curved or flat flame which is more readily adapted to effect uniform heat transfer
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