Fit-testing of hearing protection now allows a worker to try various hearing protectors to determine which type is most suitable. Despite more than 30 years of regulatory advances and ever-increasing ...

Any good proof is based upon assumptions. If the assumptions are good, the proof is valid. If the assumptions are bad, then the proof is worthless—or, as writer Angelo Donghia puts it, “Assumption is ...

Many activities, such as operating heavy machinery, enjoying loud concerts, or shooting guns at a range, generate harmful levels of sound. Ear protection reduces such noise to prevent long-term damage ...