Question

for situations where sounds of 105 decibels or more will be present for 8 hours, which of the following ear protection items must be used?
earplugs
earmuffs
both earplugs and earmuffs
neither earplugs nor earmuffs

Explanation:

When exposed to sounds of 105 decibels or more for 8 hours, high - level protection is needed. Using both earplugs and earmuffs provides maximum noise reduction to protect the ears from potential damage.

Answer:

C. Both earplugs and earmuffs