Engineering, 07.03.2021 20:30 jenifferplowman
Which statement about the seal between the respirator and the wearer's face is true?
POSSIBLE ANSWERS:
Negative pressure respirators prevent ambient air from entering the mask.
Cosmetic surgery can be completed without a re-evaluation of respirator fit.
Positive pressure respirators tighten the face mask when the wearer inhales.
Facial hair can prevent a respirator from properly sealing to the wearerтАЩs face.
Answers: 3
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Which statement about the seal between the respirator and the wearer's face is true?
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