Because they are likely to leak,dust masks are not as popular as other respirators.
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Q22: Welders may wear half-mask respirators beneath a
Q23: Respirator cartridges,like vacuum cleaner bags,may be changed
Q24: Court cases have confirmed the need for
Q25: The gas mask has been made obsolete
Q26: Emergency respirators are required to be inspected
Q28: Snap-on lenses can make a full-face respirator
Q29: Barrier creams are generally superior to gloves
Q30: Which of the following is of greatest
Q31: Bacterial contamination is a problem with synthetic
Q32: Dust masks are bad about leakage.
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