Elevators and escalators are used in public transportation facilities 
                        such as public transportation facilities, railway stations, subway stations, 
                        and bus terminals to enable more comfortable 
                        and safe inter-floor movement and horizontal movement.
                        
                        
                        It facilitates partial movement more comfortably and safely 
                        in transportation-related facilities such as buses 
                        and subways, subways and railroads, subways and airports.