Do you know the types of hearing protectors?
1.Ear plugs are inserted to block the ear canal. They may be premolded (preformed) or
moldable (foam ear plugs). Ear plugs are sold as disposable products or reusable plugs.
Custom molded ear plugs are also available.
2.Semi-insert ear plugs which consist of two ear plugs held over the ends of the ear canal
by a rigid headband.
3.Ear muffs consist of sound-attenuating material and soft ear cushions that fit around the
ear and hard outer cups. They are held together by a head band.
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