3M is one of the best brands when it comes to ear protection both in the USA and around the world. People who tried and tested them say that they work effectively and the standard is better when compared with some other manufacturers. They provide an extensive assortment of Peltor hearing protection for just about any application you can think about. The most common application is for shooting, thus it is commonly used in the army and police force organizations.
Or, if you need a more sophisticated one, you can have the electronic type Peltor ear muffs which is excellent in cancelling unwanted noise. They are more expensive than the basic ear plugs but extremely effective and a lot reliable. You can in fact isolate specific frequency that you don’t want to hear without impacting regular conversations and alert chime. That way you can still respond to caution signals from your surroundings including sirens and fire alarm systems.
We should always shield our ears from excessive noises that can probably damage our ear drums. When our ear drum is damaged it is permanent. One of the hazardous workplace when it comes to noise is the airport. People who are working in this kind of environment should always wear hearing protector. The airport administration typically supplies the safety gears for their employees, usually the cheapest one which is the ear bud or ear plug.