-To advertise on the steps of subway fluctuations-Support in the Promotion of various aspects of privilege.-Add automatic ticket dispenser that paying with banknotes have more.-Discount airfares
- To provide advertisements about the process of rapid fluctuations - support in terms of the Promotion privileged areas - adding automatic ticket vending machines to pay with banknotes more - discounted tickets.
- ad about the phases of fluctuation of Metro - support in the field of Promotion privilege in a -. Increase the safety selling ticket automatic pay the bill has more - . Discount tickets