A reader andor writer apparatus having an antenna lying substantially in a plane for generating an electromagnetic field to supply power to an IC card and a conductor member to be disposed in a plane substantially parallel to the plane of the antenna, wherein the distance between the antenna and the conductor member is no greater than 20 mm. The drain region includes P-type heavily doped regions which are different from each other, in which the P-type heavily doped regions are respectively operated as anodes of the SCR equivalent circuits. The control panel is actuable between a locked configuration and an operational configuration. The query object is processed to generate a query statement using the structured query format that corresponds to the determined OLAP server. When the sub-throttle valve is fully opened while a main throttle valve is closed, the rotation of the cam lever is transmitted to the stopper cam by the link mechanism, and the main throttle valve is opened at the angle required for the first idling by the rotation of the stopper cam. At least one of the outer layer first and second sides is capable of being printed thereon and selected packaging information is printed onto at least one side of the outer layer.