Noise levels in a 24 hour working environment, as occurs in fishing vessels, should not exceed 80 dB.But engine operators were found to be exposed to noise levels ranging between 88 dB and 108 dB.

• 渔船上24小时工作环境的噪音值不应超过80分贝，但是发动机操作工经常暴露在噪音为88分贝和108分贝之间。