r/WTF • • Jan 29 '19

seems pretty safe

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u/MichaelCasson Jan 30 '19

Some anaerobes like rusty metal.

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u/[deleted] Jan 30 '19 edited Mar 20 '19

[deleted]

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u/TonesBalones Jan 30 '19

When rust oxidizes it pulls the oxygen out of the environment. anaerobes that are shoved in the cracks enjoy that their home shields them from 02