PPE includes ear muffs and plugs and should be used for tasks that can cause hearing problems and loss of hearing. When ensuring hearing safety, the equipment must fit the ear canal perfectly. Recommended types include formable earplugs to fit on different sizes of ear canals.
Personal hearing protection equipment (PPE) or hearing protection are the means used to prevent noise-induced hearing loss. These devices reduce noise energy input and inner ear damage and should be used by employees who are exposed to noise levels of 80 decibels or more during an 8-hour work shift in weapons and explosives operations or training, mines, workshops, aircraft maintenance hangars, Engine rooms, generators, boilers and compressors, etc.