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Air-purifying respirators are one of two major classes of respirators (the other being air-supplying respirators). This course explains the basics of air-purifying respirators, including the three major types: single-use disposable respirators, also called dust masks; air-purifying respirators with a flexible, elastomeric quarter-mask, half-mask, or full-mask facepiece; and powered air-purifying respirators, or PAPRs. Topics covered include uses, inspection, maintenance, cleaning, and storage of air-purifying respirators.
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