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Sigma KEE - Door
KB Term: 

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
door
An Artifact that restricts and permits access to a StationaryArtifact (e.g. Building or Room) depending on whether the Door is open or locked. Note that the class Door also covers gates, because it is not possible to define objective criteria that reliably distinguish doors from gates.
Relationships      
Parents device A Device is an Artifact whose purpose is to serve as an instrument in a specific subclass of Process.
  transitway obstacle TransitwayObstacle is the general class of Objects that can act as obstacles to Motion along a Transitway.


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