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2. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   See also: Plug (jewellery) Pre-molded earplugs (left), formable earplugs (center), and roll-down foam earplugs (right) An earplug is a device that is inserted in the ear canal to protect the user's ears from loud noises, intrusion of water, foreign bodies, dust or excessive wind. Since they reduce the sound volume, earplugs may prevent hearing ...

3. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   A hearing protection device, also known as a HPD, is an ear protection device worn in or over the ears while exposed to hazardous noise and provide hearing protection to help prevent noise-induced hearing loss. HPDs reduce the level of the noise entering the ear. HPDs can also protect against other effects of noise exposure such as tinnitus and ...

4. Otoscope - Wikipedia

   en.wikipedia.org/wiki/Otoscope

   Otoscope. A doctor performs an otoscopy examination. An otoscope or auriscope is a medical device used by healthcare professionals to examine the ear canal and eardrum. [ 1][ 2][ 3] This may be done as part of routine physical examinations, or for evaluating specific ear complaints, such as earaches, sense of fullness in the ear, or hearing ...

5. Insiders reveal why Walmart pulled the plug on Sam Walton’s ...

   www.aol.com/finance/insiders-reveal-why-walmart...

   That same year, Walmart unveiled Walmart Health facilities, which it pitched as “the first to put primary and urgent care, labs, X-ray and diagnostics, counseling, dental, optical, and hearing ...

6. Perforated eardrum - Wikipedia

   en.wikipedia.org/wiki/Perforated_eardrum

   A perforated eardrum ( tympanic membrane perforation) is a prick in the eardrum. It can be caused by infection ( otitis media ), trauma, overpressure (loud noise ), inappropriate ear clearing, and changes in middle ear pressure. An otoscope can be used to view the eardrum to diagnose a perforation. Perforations may heal naturally or require ...

7. Walmart - Wikipedia

   en.wikipedia.org/wiki/Walmart

   Walmart was the largest United States grocery retailer in 2019, and 65 percent of Walmart's US$510.329 billion sales came from U.S. operations. [18] [19] Walmart was listed on the New York Stock Exchange in 1972. By 1988, it was the most profitable retailer in the U.S., [20] and it had become the largest in terms of revenue by October 1989. [21]