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30/12/1986 Mine safety

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Canary in a coal mine. Archive film 94897

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English in a Minute: Canary in a Coal Mine

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canary in a coal mine

As modern technology was favored to detect harmful gases in the underground, more than 200 canaries were phased out of UK's mining pits. The removal of the canaries ended a mining tradition dating back to 1911. Miners used to whistle to the canaries as they worked and treated them as pets.
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