1.(ARD ) Automatic Rescue Device : to feed electricity to
the elevator to run to the nearest point when public
power outage to rescue the passengers ,
2.Speed governor : to install the cabin on the railroad
in the case of increasing the speed of the elevator
due to unnatural causes or protection against sliding
cabin and so integrated with another device
called safety gear
3.Other precautions:
•Lighting and communication emergency system
•Exit of emergency across the roof of the cabin
4. Matching international specifications and standards