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In reference to the SCRAM bracelet, it stands for Secure Continuous Remote Alcohol Monitor.

In nuclear power, it is the immediate fail-safe action to shut down the reactor. It stands for Safety Control Rod Ax Man in reference to the first known reactor, Chicago Pile One, where a man was literally stationed to cut a rope with an axe to shut down the "reactor" (to stop the chain reaction by disrupting the critical mass).

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9y ago

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