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    TEXT VERSION OF SLIDE:

    Title: Class II - Dusts

    Type: Text Slide

    Content:
    • Group E - combustible metal dusts - aluminum, magnesium,
      conductivity is a hazard with use of electrical equipment
      • some metal dusts - thorium, uranium, zirconium etc... - have very low ignition temperatures and require special precautions
    • Group F - Carbonaceous Dusts - coal, charcoal, carbon black
    • Group G - Other Dusts - flour, grain, wood, plastic