What's with the cotton swabs anyway. I'd be afraid remnants of cotton would adhere to the metal and be hard to get off. I'd opt for an extremely soft rag of some sort.
In event, a simple google search of "how a clean rust off an old metal sign" reveals a plethora of ways to remove rust from an old metal sign. If cotton and water does the trick there's an awful lot of antique folks out there who are wasting time with vinegar and other substances.
Last edited by Snapolit1; 08-27-2019 at 03:01 PM.
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