three sets of ear protectors

What Are The Best Earplugs For Hearing Protection?

Today, there are many types of earplugs on the market for hearing protection. In fact, there are so many that you might wonder which is best. Some are expensive, some are cheap and some come in giant bulk-buy boxes.  Earplugs tend to be made of one of four materials: wax, foam, silicone or thermoplastic. Some […]