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  2. Earplug - Wikipedia

    en.wikipedia.org/wiki/Earplug

    Using both ear muffs (whether passive or active) and earplugs simultaneously results in maximum protection, but the efficacy of such combined protection relative to preventing permanent ear damage is inconclusive, with evidence indicating that a combined noise reduction ratio (NRR) of only 36 dB (C-weighted) is the maximum possible using ear ...

  3. Nasal strip - Wikipedia

    en.wikipedia.org/wiki/Nasal_strip

    Nasal strips, designed for humans, in varying colors and sizes. A nasal strip, external nasal dilator strip or nasal dilator strip is a type of adhesive bandage with embedded plastic ribs or splints that is applied across the bridge of the nose and sides of the nostrils, to assist in keeping the airway open.

  4. 3M - Wikipedia

    en.wikipedia.org/wiki/3M

    3M Company (originally the Minnesota Mining and Manufacturing Company) is an American multinational conglomerate operating in the fields of industry, ...

  5. Single-use medical devices - Wikipedia

    en.wikipedia.org/wiki/Single-use_medical_devices

    It is not reusable and, therefore, has a short lifespan and is limited to one patient. [2] There are countless types of single use medical devices, ranging from external, such as plastic gumboots, gloves and bandages merely used to assist a patient to more complex and internal devices, consisting of sharp blades, needles and tubes.

  6. Elastomeric respirator - Wikipedia

    en.wikipedia.org/wiki/Elastomeric_respirator

    mouth-bit respirators, which fit in the mouth with the nose pinched shut (escape only) quarter-mask or orinasal mask, covering the mouth and nose only; half-mask, from below the eyes to below the chin; fullface mask, from above the eyes to below the chin; Some elastomeric masks include one-way valves to let exhaled air out unfiltered.

  7. Richard Gurley Drew - Wikipedia

    en.wikipedia.org/wiki/Richard_Gurley_Drew

    Richard Gurley Drew (June 22, 1899 – December 14, 1980) was an American inventor who worked for Johnson and Johnson, Permacel Co., and 3M in St. Paul, Minnesota, where he invented masking tape and cellophane tape. [1]

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