Fingernail dirt up close

This is the magnified view of a piece of dirt that was under my fingernail. The dirt is likely a mixture of dead skin cells, since my fingertips were peeling, and machining oil and grime from the machine shop. There is an interesting blue thing, and some odd brown flecks of dirt suspended in the oily grey mass. It was taken from my fingernail on 5/31/2019.


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