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Slide 30
    TEXT VERSION OF SLIDE:

    Type: Picture Slide
    Content: Includes image of worker shoveling dusty material while wearing a respirator.

    Speaker Note: Chronic exposures are experienced by workers who work in dusty conditions on an almost daily basis for extended periods of time. Symptoms from this type of exposure may develop slowly during one's career, often taking 15 to 20 or more years to appear.