. "is acted on by"@en . "In the activity (Actuation) of automatically closing a window if the temperature in a room drops below 20 degrees Celsius, the property on which the Actuator acts upon is the state of the window as it changes from being open to being closed. "@en . "Relation between an ActuatableProperty of a FeatureOfInterest and an Actuation changing its state."@en . . . . . . "Relation between an ActuatableProperty of a FeatureOfInterest and an Actuation changing its state."@en . .