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When and how to use masks

If you are healthy, you only need to wear a mask if you are taking care of a person with COVID 19. Wear a mask if you are coughing or sneezing. Masks are effective only when used in combination with frequent hand cleaning with alcohol based hand rub or soap and water. If you wear a mask, then you must know how to use it and dispose of it properly.

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Your Guide To Pollution / Yellow Dust Masks In Korea 10

The US based National Institute for Occupational Safety and Health (NIOSH) gives masks the N95 rating for being able to filter out 95% of particulate matter. There are also N99 masks that filter out over 99% of particulate matter, but these are more expensive and can be difficult to find.. Examples3M 9501, 3M 8110S, 3M 8210, 3M 9210

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Procare N95 Respirator Masks are the respirators recommended by the U.S. Centers for Disease Control and Prevention of the spread of infectious viruses.

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The news hub AFP

San Francisco (AFP) 05/05/2020 23:02. Disney to see $1.4 bn impact from coronavirus in current quarter. San Francisco (AFP) 05/05/2020 22:21. Airbnb cuts 25 percent of staff in pandemic

WHO Hazard prevention and control in the work

Airborne contaminants can occur in the gaseous form (gases and vapours) or as aerosols, which include airborne dusts, sprays, mists, smokes and fumes. Airborne dusts are of particular concern because they are associated with classical widespread occupational lung diseases such as the pneumoconioses, as well as with systemic intoxications such as lead poisoning, especially at higher levels of