Make sure workers and visitors are aware of noise hazards and protect their hearing by displaying appropriate signage to highlight where a hazard exists and where ear protection must be worn and where ear protectors are available.
The yellow and blue duel message ear protection signs highlight that a noise hazard is present and that wearing ear protection is a mandatory action. The yellow and green duel message noise warning signs highlight a noise risk is present and that the wearing of ear protection is a recommended action.
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Mandatory Sign Categories