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kirtle    
n. 男用短外衣;女装或裙

男用短外衣;女装或裙

kirtle
n 1: a garment resembling a tunic that was worn by men in the
Middle Ages
2: a long dress worn by women


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  • Respirator Types and Use | Personal Protective Equipment | CDC
    Atmosphere-supplying respirators (ASRs) ASRs provide clean breathing air from a separate source These respirators protect you from many types of airborne contaminants (particles, gases, and vapors) and, in certain cases, oxygen-deficient atmospheres The different types of ASRs are: Supplied-air respirators Self-contained breathing apparatus
  • Powered Air-Purifying Respirators | Personal Protective Equipment | CDC
    PAPRs are reusable respirators that can be used to protect against gases, vapors, or particles, when equipped with the appropriate filter, cartridge, or canister They are battery-powered with a blower that pulls air through attached filters or cartridges to clean it before delivering it to your breathing zone
  • Respirator Selection and Use | Personal Protective Equipment | CDC
    Your employer may provide respirators for voluntary use, or you may supply your own Under voluntary use, your employer must make sure the respirator does not present a health hazard to you OSHA defines voluntary use requirements in 29 CFR 1910 134(c)(2) , Appendix D
  • Identifying NIOSH Approved® Respirators | Personal Protective Equipment . . .
    Some respirators on the market may be labeled as “N95” (the most common type of FFR) However, if a respirator does not contain all of the components of the required label, it is not a NIOSH approved respirator and cannot be relied on to provide the same level of respiratory protection
  • Respirators and Mask Types and Performance | Personal Protective . . .
    Different standards for respirators and masks allow manufacturers to provide products that meet a variety of needs These differences can also cause confusion when trying to select the best product for your situation The table below summarizes these differences so that you can identify the types of respirators or masks that meet your needs
  • Elastomeric Respirators | Personal Protective Equipment | CDC
    Elastomeric respirators protect against gases, vapors, and particles if equipped with the appropriate filters, cartridges, or canisters To protect workers from hazardous particles, elastomeric respirators can be equipped with the same nine filter classes as filtering facepiece respirators
  • How to Use Your N95® Respirator | Personal Protective Equipment - CDC
    N95 respirators must form a seal to the face to work properly This is especially important for people at increased risk for severe disease Wearing an N95 respirator can make it harder to breathe If you have heart or lung problems, talk to your doctor before using an N95 respirator Some N95 respirators may contain latex in the straps
  • Community Respirators and Masks | Personal Protective Equipment - CDC
    NIOSH Approved respirators, like N95® filtering facepiece respirators, meet the most rigorous standards Respirators conforming to international standards, like the KN95, are also tested to a standard NIOSH Approved and international respirators will report the level of filtration they provide, such as a minimum of 95% or a minimum of 80%
  • Atmosphere-Supplying Respirators | Personal Protective Equipment - CDC
    Atmosphere-supplying respirators (ASRs) provide clean breathing air from a source independent of the work area ASRs provide protection from many types of airborne contaminants, and in certain cases, oxygen-deficient atmospheres
  • Healthcare Respiratory Protection | Healthcare Workers | CDC
    Respirators: Air purifying respirators, known as respirators, including NIOSH Approved ® Filtering Facepiece Respirators (FFRs), such as an N95 ® FFR and Surgical N95 FFR, filter at least 95 percent of airborne particles They are PPE that tightly fit the face and provide certain filtration efficiency levels to help reduce wearer exposure to





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