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2023-05-13 13:20:24 UTC - NOT_HELPFUL

Rated by Participant: 55CB2185B625A9BBF17DFE0324620107B437FDFC50845F8199CDA06355451A71
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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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