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  2. Face shield - Wikipedia

    en.wikipedia.org/wiki/Face_shield

    A face shield, an item of personal protective equipment (PPE), aims to protect the wearer's entire face (or part of it) from hazards such as flying objects and road debris, chemical splashes (in laboratories or in industry), or potentially infectious materials (in medical and laboratory environments). Depending on the type used, a face shield ...

  3. Universal precautions - Wikipedia

    en.wikipedia.org/wiki/Universal_precautions

    Universal precautions are an infection control practice. Under universal precautions all patients were considered to be possible carriers of blood-borne pathogens. The guideline recommended wearing gloves when collecting or handling blood and body fluids contaminated with blood, wearing face shields when there was danger of blood splashing on mucous membranes ,and disposing of all needles and ...

  4. Chemical impurity - Wikipedia

    en.wikipedia.org/wiki/Chemical_impurity

    In chemistry and materials science, impurities are chemical substances inside a confined amount of liquid, gas, or solid. They differ from the chemical composition of the material or compound. [ 1 ] Firstly, a pure chemical should appear in at least one chemical phase and can also be characterized by its phase diagram .

  5. Face shield vs. face mask: Which is better? - AOL

    www.aol.com/article/lifestyle/2020/07/14/face...

    Face shields, on the other hand, are easier to clean than cloth masks because they have a hard surface. “You don’t have to do a load of laundry each time you wear it,” says Podany. But keep ...

  6. Can I use a face shield instead of a mask? - AOL

    www.aol.com/news/2020-09-01-can-i-use-a-face...

    If you do wear a reusable face shield in addition to a mask, the CDC notes the importance of cleaning it after each use. The agency also says you should wash your hands before and after taking it ...

  7. Eye protection - Wikipedia

    en.wikipedia.org/wiki/Eye_protection

    A face shield is a device used to protect wearer's entire face (or part of it) from hazards such as impact, splash, heat, or glare. With face shields, as with welding helmets and hand shields, the user is continually lifting and lowering the visor. To protect the eyes when the visor is lifted, spectacles should be worn underneath.

  8. Smartwatch and fitness tracker bands have elevated levels of ...

    www.aol.com/lifestyle/smartwatch-fitness-tracker...

    Smartwatches are a hot-ticket gift over the holidays, but a new study might have you rethink how you strap the device to your wrist in the future.

  9. Passivation (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Passivation_(chemistry)

    In physical chemistry and engineering, passivation is coating a material so that it becomes "passive", that is, less readily affected or corroded by the environment. . Passivation involves creation of an outer layer of shield material that is applied as a microcoating, created by chemical reaction with the base material, or allowed to build by spontaneous oxidation

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