Airway Management
From Brady's Emergency Care (10th Edition)
Progress Indicator:
 
Question 3 of 20
3. Rock dust applications to the roof, ribs, and floor shall be maintained to within ________ feet of the working face, except in those areas where the dust is too wet or too high in incombustible content. (30 CFR 75.402)
Choices:
- 20
- 40
- 25
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