| 摘要 |
An emergency exit sign is incorporated directly into the floor adjacent an emergency exit door. The emergency exit sign includes visual and tactile properties that allow the sign to be read on a day to day basis by those walking through the doorway. The tactile properties of the sign also allow the sign to be read by those on the floor in an emergency situation such as when the room or hallway is filled with smoke. The tactile properties of the sign may also be used by those trying to find the doorway in a dark room. Further, the tactile properties of the sign are used on a day to day basis as people walk over the sign to reinforce the person's memory of the location of the emergency exit door.
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