Note: this case is assigned to measure the distance between the destination address, travel room with stairs only. Not measuring the travel destination address with the link or the choice to escape the fire.
The case is assigned to measure the distance between a destination address, went to the fire escape only. Not walking distance from the destination address to the link. Or the choice to escape the fire.
Note: this case set to measure the distance between the destination address to walk the stairs room only. Is not a measure of room on the travel destination with links or alternatives to escape the fire. .