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Norfolk Naval Shipyard employee Paul Foster works on a noise attenuator he designed for drying towers used to create freeze seals. The attenuator has reduced noise levels in the work area from 108 decibels to 84 decibels, reducing the risk of hearing loss by workers and eliminating the need for double hearing protection.
170124-N-MA158-0014.JPG Photo By: Shane Hensley/Released

PORTSMOUTH, Virginia - Norfolk Naval Shipyard employee Paul Foster works on a noise attenuator he designed for drying towers used to create freeze seals. The attenuator has reduced noise levels in the work area from 108 decibels to 84 decibels, reducing the risk of hearing loss by workers and eliminating the need for double hearing protection.


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