The correct answer is option D. Earplugs to protect your ears which should be worn when operating a chainsaw.
Do I need to wear earplugs when using a chainsaw?
Safe Hearing Protection for Chainsaws
Even the best chainsaws can produce noise levels up to 120 decibels. This is louder than the sound of some concerts. Be sure to wear a chainsaw hearing protector to prevent hearing loss. At the very least, wear earplugs.
Most disposable earplugs are elastic memory foam plugs, usually wrapped in a tightly compressed cylinder (no creases) with the user's finger and inserted into the ear canal. When released, the earplugs expand until they seal the canal, blocking the vibration of sound that can reach the eardrum.
Learn more about earplugs here: https://brainly.com/question/23880176
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