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Wheelock MT at Quincy Adams station
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Activated fire alarm pull station at MBTA Chinatown station
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Boston fire alarm street box [01]
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Boston fire alarm street box [02]
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Boston fire alarm street box [03]
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SigCom pull station with Simplex branding
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Fire alarm at Trenton Park & Ride [02]
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Fire alarm at Trenton Park & Ride [01]