An earplug is a small device designed to be inserted in the ear canal to protect the ears from noise, water, or other environmental factors. Earplugs can be made from various materials, including foam, silicone, and wax, and are commonly used for several purposes: 1. **Noise Reduction**: Many people use earplugs to block out loud sounds, such as during concerts, while sleeping in noisy environments, or when working in loud places.
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