It’s cool, but if they switched to lasers using the right lens setup then the worker could do it from far away and wouldn’t have to lug a propane tank all over the stadium.
You know I am just spit balling ideas here but maybe a couple of phantoms and some napalm could clean all the seats in a matter of minutes
Pretty sure that depends on whether you breathe them in.
Fire polishing, also known as flame polishing, is a method of polishing a material, usually glass or thermoplastics, by exposing it to a flame or heat. When the surface of the material briefly melts, surface tension smooths the surface. Operator skill is critical with this method. Wikipedia
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