U.S. Earplugs Market Size, Share & Industry Analysis, By Material (Foam, Silicone, Wax, and Others), By Application (Consumer Application and Industrial & Occupational), By Usage (Disposable Earplugs and Reusable Earplugs), By Product Type (Standard Earplugs, Custom-Molded Earplugs, Banded Earplugs, and Electronic Earplugs), By Noise Reduction Rating (30–33 dB, 26–29 dB, 21–25 dB, and 10–20 dB), and Country Forecast, 2026– 2034