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Marine Mandatory Sign: Watertight Door Keep Shut
Currently there are no specific marine regulations existing regarding mandatory signage. However the requirements of flag and local state health and safety regulations may be enforced. These signs are used to inform and warn crew, passengers and visitors when risk assessment has identified the need for mandatory instruction.
American Nautical Services, Inc.
3311 S Andrews Ave, Suite 11
Fort Lauderdale, FL 33316
United States of America