I have a tub of Vaseline and have hardly scratched the surface. I’m curious whether anyone uses it for anything other than their lips.
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Lubricating the O ring that sits inside the watch case of vintage divers watches to keep them waterproof.
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Most O-rings are made with a material called “Buna-N” (Nitrile), which is not degraded by oils, greases, or common fuels
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