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Stewart, Kent, and Ron are brothers.  Stewart is an auto mechanic, Kent is a welder, and Ron is a crane operator.  One day while chatting together, the three brothers get into a disagreement over who is exposed to a silica hazard.

Which of the brothers is probably NOT exposed to crystalline silica?


Mechanic  Welder  Crane 
Stewart Kent Ron


Click on the brother that is probably NOT exposed to crystalline silica?
















Welder
            Kent

Kent is a welder. A welder IS one of the occupations at risk of silica exposure. Try Again

































Mechanic
          Stewart

Correct. While it is possible that Stewart could be overexposed to crystalline silica, auto mechanic is NOT on the list of occupations at risk.

Continue with Measure the Amount of Silica






























Crane
             Ron

Ron is a crane operator. Crane operator IS one of the occupations listed as potential exposures to silica. Try Again
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