What is a physical contamination

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asked Feb 2, 2019 52.8k views

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Tetsuya · Answer 1 · 2019-02-08T11:55:05+0000

Phsyical contamination is when substances (usually foreign) that is dirty affects the appearance of a thing or living organism. It can include having oil on the skin, for example.

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What is a physical contamination

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