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Light switch at Lorton Reformatory
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Wheelock AS at NVCC Annandale [02]
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Wheelock AS at NVCC Annandale [01]
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Fire alarm at West Falls Church station [01]
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Fire alarm at West Falls Church station [02]
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Edwards fire alarm pull station with handle down
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Wheelock Powerpath at Franconia Center
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Fire alarm bell at Franconia Center
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Fire alarm strobe at Franconia Center [01]
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Fire alarm strobe at Franconia Center [02]
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Fire alarm strobe at Franconia Center [03]