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by aidenn0
499 days ago
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I'm assuming they are using mineral oil; I've not filled a watch with mineral oil, but I have worked with it. Mineral oil is not particularly viscous; some gentle tapping is probably enough to get all the bubbles out. Here's a video of a PC immersed in mineral oil with an aquarium bubbler and you can see the bubbles rise fairly quickly: https://www.youtube.com/watch?v=tUBvWXH1hLs&t=110s |
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