When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Occupational Safety, Health and Working Conditions Code, 2020

    en.wikipedia.org/wiki/Occupational_Safety...

    The Occupational Safety, Health And Working Conditions Code, 2020 is a code to consolidate and amend the laws regulating the Occupational safety and health and working conditions of the persons employed in an establishment. [1] [2] The Act replaces 13 old central labour laws.

  3. European respirator standards - Wikipedia

    en.wikipedia.org/wiki/European_respirator_standards

    The protection provided by an FFP2 (or FFP3) mask includes the protection provided by a mask of the lower-numbered classes. A mask conforming to the standard must have its class written on it, along with the name of the standard and its year of publication, as well as any applicable option codes, e.g. “EN 149:2001 FFP1 NR D”.

  4. Goods and Services Tax (India) - Wikipedia

    en.wikipedia.org/wiki/Goods_and_Services_Tax_(India)

    The Harmonized system of Nomenclature (HSN) code is used for classifying goods under the Goods and Services Tax (GST) in India. The HSN code is a six-digit code that uniquely identifies a product. The first two digits of the code identify the chapter, the next two digits identify the heading, and the last two digits identify the subheading.

  5. Harmonized System - Wikipedia

    en.wikipedia.org/wiki/Harmonized_System

    The process of assigning HS codes is known as "HS Classification". All products can be classified in the HS by using the General Rules for the Interpretation of the Harmonized System ("GRI") that must be applied in strict order. HS codes can be determined by a variety of factors including a product's composition, its form and its function.

  6. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    During the COVID-19 pandemic, the mask and respirator market rapidly grew, along with counterfeit respirators. [1] NIOSH, on behalf of the Department of Health and Human Services, filed a trademark application on June 17, 2020, for various 42 CFR 84 trademarks, including the N95, allowing NIOSH to enforce rules on counterfeit masks outside of rules defined in 42 CFR 84.

  7. Orinasal mask - Wikipedia

    en.wikipedia.org/wiki/Orinasal_mask

    An orinasal mask, oro-nasal mask or oral-nasal mask [1] is a breathing mask that covers the mouth and the nose only. It may be a complete independent item, as an oxygen mask , or on some anaesthetic apparatuses, or it may be fitted as a component inside a fullface mask on underwater breathing apparatus , a gas mask or an industrial respirator ...

  8. Surgical mask - Wikipedia

    en.wikipedia.org/wiki/Surgical_mask

    Surgical masks also cannot provide complete protection from germs and other contaminants because of the often loose fit between the mask edges and the wearer's face, [24] especially when the mask is worn outright incorrectly (e.g. low with the nose and/or mouth exposed). A surgical mask is a disposable device that creates a physical barrier ...

  9. File:N95 mask labeling.pdf - Wikipedia

    en.wikipedia.org/wiki/File:N95_mask_labeling.pdf

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Help; Learn to edit; Community portal; Recent changes; Upload file