The present invention relates to {HEAD ~ an improved method} of optimizing {TAIL ~ heat transfer} to a thermal load utilizing a novel gas injecting lance and arrangement thereof with a burner or incorporated as part of a burner, particularly in a direct fired system 
The present invention relates to { HEAD ~ an improved method } of optimizing { TAIL ~ heat transfer } to a thermal load utilizing a novel gas injecting lance and arrangement thereof with a burner or incorporated as part of a burner , particularly in a direct fired system
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