A pump includes a housing defining an internal chamber having an axial inlet passage, a generally radial passage with an outlet to a volute. An operation power supply line to the logic gate is provided with an MIS transistor having a thick gate insulation film for switching the supply and stop of an operation power source voltage. Thus, height of the ladder assembly can be adjusted easily and conveniently, thereby facilitating the user operating the ladder assembly. A view of the three-dimensional virtual broadcast presentation is manipulated in response to the received signal, the manipulation of the virtual broadcast presentation at least partially based on positional information of the control device. The position evaluation returns a scored and ranked list of candidates for the defined position, which can then be subjected to managerial review. The vehicle door structure 10 includes a slide door panel 14, a swing door panel 16, a slide mechanism 18 and a hinge mechanism 20, and includes a lock mechanism 22 for locking the slide door panel 14 to the swing door panel 16 when the swing door panel 16 is opened.