Thought to be from the 1970s, this historic image provided by the Center for Disease Control's (CDC), National Institute for Occupational Safety and Health (NIOSH), depicted an industrial worker inside a factory where he was shoveling sand into what appeared to be a mold, i.e., sand mold. The man was not wearing a filtered breathing mask, goggles, or gloves, all of which may have helped to protect him from the potential health risks that exist under such circumstances,
CDC/ Barbara Jenkins, NIOSH
November 27, 2012
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