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  2. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    A respirator is a device designed to protect the wearer from inhaling hazardous atmospheres including lead fumes, vapors, gases and particulate matter such as dusts ...

  3. Powered air-purifying respirator - Wikipedia

    en.wikipedia.org/wiki/Powered_air-purifying...

    A powered air-purifying respirator (PAPR) is a type of respirator used to safeguard workers against contaminated air. PAPRs consist of a headgear-and-fan assembly that takes ambient air contaminated with one or more type of pollutant or pathogen , actively removes (filters) a sufficient proportion of these hazards, and then delivers the clean ...

  4. Glossary of breathing apparatus terminology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_breathing...

    See: venturi mask air-filtering respirator An air-filtering respirator is a breathing apparatus which removes particulates from the ambient air by passing it through a filter. air-purifying respirator An air-purifying respirator is a respirator which uses a filter, cartridge, or canister to remove specific air contaminants by passing ambient air through the air-purifying component ...

  5. Supplied-air respirator - Wikipedia

    en.wikipedia.org/wiki/Supplied-air_respirator

    A supplied-air respirator (SAR) or air-line respirator is a breathing apparatus used in places where the ambient air may not be safe to breathe. It uses an air hose ...

  6. Elastomeric respirator - Wikipedia

    en.wikipedia.org/wiki/Elastomeric_respirator

    Elastomeric respirators without these modifications muffle the wearer's speech more than filtering facepiece respirators (FFRs) such as N95 respirators. In some studies, this was a major reason why healthcare workers preferred to wear FFRs.

  7. Ventilator - Wikipedia

    en.wikipedia.org/wiki/Ventilator

    A ventilator is a type of breathing apparatus, a class of medical technology that provides mechanical ventilation by moving breathable air into and out of the lungs ...

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