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General Science / Re: If I wear ANY battery watch, within a week the battery is dead. Why?
« on: 24/09/2018 01:00:46 »
To be fair to him, the lower carats of gold do corrode somewhat, and even 24 carat gold can rub off and create a black mark, if there's anything abrasive on the skin (some cosmetics do that for example). It would be worth checking the hallmarks.
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