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2023-05-12 03:18:17 UTC - NOT_HELPFUL

Rated by Participant: 1553AE3B722500DD6332BA1322668E6D976348290686D4710C4B7D118572710D
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Original Note:

This post presents no evidence verifying the source of these magnetic particles. Brake dust often contains iron bearing magnetic particles. Scientific Study: “The vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas. https://www.sciencedirect.com/science/article/pii/S0160412021006164

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