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A hearing protection device, more commonly known as an HPD, is an ear protective device worn on or behind the ears to help avoid noise-induced hearing impairment, especially noise caused by construction, aircraft, machinery, and some home appliances. An HPD works by reducing background noise and blocking out high-frequency noise that's typically emitted from machinery, or other loud noises. An HPD usually blocks out more than 90 percent of the noise in a room, and often can't be bought by most people because they are typically a bit bulky, which makes them more expensive than traditional earplugs. One of the most common reasons why an HPD is recommended for workers exposed to noise above 200 hertz is because they protect the worker's ears by reducing the amount of time that they're exposed to damaging radiation. Most workers who wear hearing protection devices are not exposed to as much noise as they would be with no protection, so they tend to retain more of their hearing after extended exposure to loud sounds. This keeps them healthier overall and prevents the onset of hearing loss that normally occurs after long-term exposure to high levels of noise. The main factor driving the growth of the hearing protection devices market is stringent rules made by governmental bodies all over the world for workers' safety. Increased hours of working in factories with heavy machinery emitting sounds can result in temporary or permanent deafness. Keeping in mind this issue, rules have been made for factory workers across the world to wear safety devices such as hearing protection devices to work. Read more @ https://coherentmarketinsights-blog.blogspot.com/2021/01/the-global-hearing-protection-devices.html