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Slide 26
    TEXT VERSION OF SLIDE:

    Title: Pneumoconiosis
    Type: Picture Slide
    Content: Illustration of the air passage way of a person.

    Speaker Notes: In extremely dusty conditions, or even moderately dusty conditions, a disease called pneumoconiosis may occur. Pneumoconiosis is a fibrosis (hardening, scarring, or stiffening ) of the lungs due to irritation caused by the inhalation of dust. 

    In very severe cases, the dust may actually cause physical blockage of the air passages resulting in difficult or labored breathing (dyspnea) and ultimately suffocation.