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2. Ear saver - Wikipedia

   en.wikipedia.org/wiki/Ear_saver

   An ear saver, also known as mask strain release strap or mask extender, [1] is an accessory to personal protective equipment (PPE), relieves strain on a mask wearer's ears created through the loops of masks. Ear savers were designed as novel items during the COVID-19 pandemic by the open-source hardware community in response to requests from ...

3. Tympanometry - Wikipedia

   en.wikipedia.org/wiki/Tympanometry

   Tympanometry is an objective test of middle-ear function. It is not a hearing test, but rather a measure of energy transmission through the middle ear. It is not a measure of eardrum or middle ear mobility. It is an acoustic measure, measured by a microphone, as part of the ear canal probe, inserted into the ear canal.

4. Real ear measurement - Wikipedia

   en.wikipedia.org/wiki/Real_ear_measurement

   Real ear measurement is the measurement of sound pressure level in a patient's ear canal developed when a hearing aid is worn. It is measured with the use of a silicone probe tube inserted in the canal connected to a microphone outside the ear and is done to verify that the hearing aid is providing suitable amplification for a patient's hearing loss. [2]

5. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

6. File:QR Code Mask Patterns.svg - Wikipedia

   en.wikipedia.org/wiki/File:QR_Code_Mask_Patterns.svg

   This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

7. Applications of 3D printing - Wikipedia

   en.wikipedia.org/wiki/Applications_of_3D_printing

   Examples of PPE include face masks, face shields, connectors, gowns, and goggles. The most popular forms of 3D printed PPE are face masks, face shields, and connectors. [61] Nowadays, Additive Manufacturing is also employed in the field of pharmaceutical sciences to create 3D printed medication. Different techniques of 3D printing (e.g. FDM ...

8. FM12 NBC Respirator - Wikipedia

   en.wikipedia.org/wiki/FM12_NBC_Respirator

   The FM12 also has an inner mask to prevent fogging of the lenses. The 'ridge' present around the edge of the S10 is absent from the FM12. The main noticeable difference between the FM12 and the S10 is the ability of some FM12's to mount two filters to the mask simultaneously, as was done by the SBS in the Gulf War. When only one filter is ...

9. Hearing test - Wikipedia

   en.wikipedia.org/wiki/Hearing_test

   The ear canal volume indicates whether a perforation in the eardrum (tympanic membrane) may be present. The middle ear pressure indicates whether any fluid is present in the middle ear space (also called "glue ear" or "otitis media with effusion"). Compliance measurement indicates how well the eardrum and ossicles (the three ear bones) are moving.