Working on small items requires me to use optical magnifiers such as the Rolson one with swap out lens. These inevitably pick up scratches and other marks.
I recently bought some Polywatch polish from my clock parts supplier to polish a plastic clock dome which was looking pretty rough. Polywatch transformed it to the point of where it looked almost new.
You can buy it on Amazon.
Today I tried Polywatch on my favourite Rolson Headmagnifier lens and I can now see what I am doing once again. Worth remembering.

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