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The room has a number of central qualities which are described in the room core informationproperties information. This is information such as: Room function number, name of room, description of room, other room numbers (drawing number, designed/geographical room number and use room number), the programmed area (the planned size of the room) and the designed area (the final size of the room as drawn by the architect).
Changes to the room 's core information properties information and other significant changes to the room are entered in a log known as a room log.
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