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Electric saw running, various pulses
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Woman saying, "Lockdown"
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Man saying, "Patrol is needed in the north lot"
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Man saying, "Will the plant nurse please report to column B77"
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Man saying, "This is not a drill"
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Man saying, "All personnel report to the nearest tornado shelter"
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Woman saying, "Lockdown"
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Fast smooth clicking of industrial combination 19mm gear wrench in operation
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Truck parking
0:28
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Ryobi plunge router turning on, cutting wood, turn off