As previously indicated, the lance may be part of the burner and, therefore, the lance may be combined with an axisymmetric or nonaxisymmetric fuel outlet which emits a fuel alone or a fuel in {HEAD ~ combination} with {TAIL ~ an oxidant, e.g. oxygen} or air within the scope of the invention 
with
As previously indicated , the lance may be part of the burner and , therefore , the lance may be combined with an axisymmetric or nonaxisymmetric fuel outlet which emits a fuel alone or a fuel in { HEAD ~ combination } with { TAIL ~ an oxidant , e.g. oxygen } or air within the scope of the invention
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