Rust kills, but not in the way you’d expect; while you may (incorrectly) associate rust with tetanus, the real way rust kills is through suffocation. Because rust is formed when iron reacts to and uses oxygen, enclosed rust-filled spaces often have low oxygen levels. And because the body only detects high levels of carbon dioxide and not a lack of oxygen, your body doesn’t provide any warning signals. (Sorry for this quite ominous summary…however, we thought it is information worth knowing).
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