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Slide 7
    TEXT VERSION OF SLIDE:

    Title: What Are the Symptoms and Signs of Chronic Silicosis?
    Content:

    NOTE: There may be no symptoms in the early stages.

    • As the disease progresses
      - Cough
      - Breathlessness
      - Weakness
    • Significant X-ray changes after 15-20 years of exposure
    [Includes illustration of a doctor and the OSHA logo]

    Speaker Notes:

    Cough
       Initial stages: Dry or non-productive cough when exposed to the irritant
       Advanced stages: Cough that is prolonged and distressing, with sputum production
    Breathlessness
       Initially only while exercising
       Later shortness of breath during normal activity
       Wheezing if chronic obstructive bronchitis or asthma are also present
       Pneumothorax and respiratory failure in advanced states
    Significant X-ray changes after 15-20 years of exposure