A worker with a beard is issued a tight-fitting respirator. What is the problem?
Answer and explanation
Correct answer: A. Facial hair stops a good seal on the skin
- Step 1: Tight-fitting masks need a seal on clean skin. Step 2. Fit testing checks the seal, and facial hair under it causes leaks. Answer: Facial hair stops a good seal on the skin. Why not the others: Damage, filtering and warmth are not the issue.
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