The left ear hearing capability drops in the level of violence, should see a doctor and avoid places where there is a loud. If you need to work in a place where there should be wearing appropriate protection.
Left ear hearing capacity decreased levels of violence should see a doctor and avoid noisy places. If you must work in a noisy place. Always wear proper protective equipment.
Left ear hearing threshold levels decline severe, should see a doctor, and avoid the place with a loud If you need to work in a place with a loud. Should wear protective manner.