Detex crash bar emergency exit unit

In order to prevent employees from opening the stores back doors and stealing merchandise, the back doors at just about every store featured an alarmed crash bar, which provided egress during an emergency, but sounded a loud audible alarm unless being disabled by key first. Managers would disable the alarm multiple times throughout the day, such as to receive merchandise from the back corridors, or to take out trash.
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Nanuet Mall Last Call

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©2011 AllAbandoned.com
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EXIF data
X-Resolution | 72 dpi |
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Y-Resolution | 72 dpi |
Exposure | 0.013 sec (1/80) |
Aperture | f/5.6 |
Exposure Bias | 0 EV |
Focal Length | 45 mm |
Focal Plane X-Resolution | 3849.211765 dpi |
Focal Plane Y-Resolution | 3908.141975 dpi |
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