ghost shift
n.— «Very low serial numbers, like very low MAC ID addresses, are a hallmark of the “ghost shift,” i.e. the shift that happens very late at night when a rogue worker enters the factory and runs the production machine off the books. Significantly, ghost shifts are often run using marginal material that would normally be disposed of but were intercepted on the way to the grinder.» —“On MicroSD Problems” Bunnie’s blog Feb. 16, 2010. (source: Double-Tongued Dictionary)
Further reading
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