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  2. European respirator standards - Wikipedia

    en.wikipedia.org/wiki/European_respirator_standards

    FFP3 face mask. Aerosol filtration percentage: 99% minimum; Internal leak rate: maximum 2% [8] The FFP3 mask is the most filtering of the FFP masks. It protects against very fine particles such as asbestos and ceramic. It does not protect against gases and in particular oxides of nitrogen. [11]

  3. Face masks during the COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/Face_masks_during_the...

    US Ambassador to Indonesia Sung Kim accompanied by local officials at the Presidential Palace wearing face masks amid the COVID-19 pandemic. During the COVID-19 pandemic, face masks or coverings, including N95, FFP2, surgical, and cloth masks, have been employed as public and personal health control measures against the spread of SARS-CoV-2, the virus that causes COVID-19.

  4. Face masks during the COVID-19 pandemic in the United States

    en.wikipedia.org/wiki/Face_masks_during_the...

    A public service announcement from the Government of California encouraging people to wear masks to "slow the spread". In late March 2020, some government officials began to focus on the wearing of masks to help prevent transmission of COVID-19 as opposed to protecting the wearer; former FDA Commissioner Scott Gottlieb stated in a report that face masks would be "most effective" at slowing its ...

  5. Executive Order 13991 - Wikipedia

    en.wikipedia.org/wiki/Executive_order_13991

    The order states that the heads of executive departments and agencies "shall immediately take action, as appropriate and consistent with applicable law, to require compliance with CDC guidelines with respect to wearing masks, maintaining physical distance, and other public health measures" by visitors and employees of federal land and properties, and commands the Secretary of Health and Human ...

  6. Face mask - Wikipedia

    en.wikipedia.org/wiki/Face_mask

    Face mask (gridiron football), in sports A mask for the face, typically used in rituals, performance art and as a disguise mostly during the Halloween holiday. Face mask (We people) , a West African wooden mask at the Indianapolis Museum of Art, Indiana, US

  7. False Face Society - Wikipedia

    en.wikipedia.org/wiki/False_Face_Society

    Iroquois oral history tells the beginning of the False Face tradition. According to the accounts, the Creator Shöñgwaia'dihsum ('our creator' in Onondaga), blessed with healing powers in response to his love of living things, encountered a stranger, referred to in Onondaga as Ethiso:da' ('our grandfather') or Hado'ih (IPA:), and challenged him in a competition to see who could move a mountain.

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