Mechanical locks secure doors as either deadbolts or door-handle devices. Keys serve as the means to unlock these mechanical locks, and possessing a working key determines who can access secured areas ...

Safer school design encompasses many elements of the built environment—from the property line to classroom door openings. All these pieces need to work together properly to enhance school safety and ...

The sanctity of the home is its promise of safety, a principle that becomes paramount for families with young children. As ...