Hormel Foods announced a voluntary recall of some jars of Skippy peanut butter over concerns of small pieces of metal shavings in the peanut butter. (modernmom.com)
Metal can also come into food products from the consumer, for example, dental fillings, metal shavings from work around the house or can openers. (foodproexh.com)
My HPFP failed a week or so ago (according to my service advisor there was a significant amount of metal shavings in the fuel pump). (humblemechanic.com)