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  • Dunno, sorry.

    If it has become tarnished again really quickly maybe it needs some kind of finishing treatment.

  • It's probably a good five or six years since I did it. All I remember is that it took bloody ages to get the tiniest patch looking bright and then realising I'd bitten off a bigger job than I realised.

  • You can get buffing drill attachments for detailing cars, imagine they don't leave rings - possibly worth a go

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