I have 5-10 yellowish spots on my anti static mat, about 1cm in diameter. Do I need to replace the mat? I don't gave access to those giant cylindrical "probes" that they're generally tested with.
Examples circled in red. I tried to do some color adjustment, but I couldn't get any improvement.
Examples circled in red. I tried to do some color adjustment, but I couldn't get any improvement.
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