If so, DO NOT USE A WIRE BRUSH TO CLEAN IT.
A friend of my sister used one, and a wire bristle got into her food and went into her tongue. The surgery to remove it took over six hours.
Be a little adventurous, would you? Lean out the window as far as you can with a skillet in one hand and a spatula in the other! Have your downstairs neighbor aim a blowtorch or flamethrower upwards at it. Sheesh, do I have to think of everything?
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When they flame-on, it won’t matter.
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