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