A concrete surface (such as a sidewalk) needs to be cleaned with a bleaching age...

		webmaven on Feb 22, 2021 \| parent \| context \| favorite \| on: A Dishonest, Indifferent, and Toxic Culture A concrete surface (such as a sidewalk) needs to be cleaned with a bleaching agent in order to remove bodily fluid stains, which can otherwise persist for years.

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