Meaning Prolonged blast
What does Prolonged blast mean? Here you find 3 meanings of the word Prolonged blast. You can also add a definition of Prolonged blast yourself

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Prolonged blast


Blast, of 4 to 6 seconds duration, on a whistle, foghorn, or siren.
Source: crewtraffic.com

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Prolonged blast


A blast of from 4 to 6 seconds' duration.
Source: usmm.org

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Prolonged blast


A blast of from 4 to 6 seconds’ duration.
Source: officerofthewatch.com




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