A lubricating oil composition useful for a diesel-powered engine is provided that reduces NOx emissions level produced from a diesel-powered engine. A CPU system within the show executes software pre-programmed with game rules, and controls the barrier to ensure against wrongful dispensing of a card. The terminal device includes an encrypted data reception section receiving the encrypted data on which the server implements a predetermined process and a decrypting section decrypting the encrypted data on which the predetermined process is implemented. The HVAC system provides a continuous fan airflow to each zone independently of the continuous fan airflow delivered to any other zone and irrespective of the relative size difference of the zones. The second reply is transmitted to the second device via a second communication link.