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Apple Watch Series 4 is plated with 24K pure gold (video)

via:MacX     time:2019/5/23 8:04:29     readed:67


Apple Online Store (China)

The process involves putting Apple Watch in an electrified detergent solution to make it hydrophilic, immersing it in an acid solution to precipitate chromium, and finally putting it in a gold plating solution.

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