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Two strobes from different manufacturers
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Secret Service Police vehicle
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Amtrak Superliner II fire alarms [02]
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Traffic signal with yellow aspect open
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Wheelock Exceder horn/strobe at District Taco
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Wheelock Exceder at 1615 L Street NW
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Icy fire alarm strobe
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Simplex TrueAlert horn/strobe
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Break space at Metro headquarters
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"EVACUATE" strobe at DCA
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Fleet of the Future Expo [02]
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Fleet of the Future Expo [03]