A vertical take-off aircraft is disclosed. The apparatus also includes at least one laser that provides energy to the ionized gas within the chamber to produce a high brightness light. In comparison with a traditional manner in which service data is only carried on a positive sideband, bandwidth utilization in the present invention doubles. The tubular, single-sided, circuit board is a laminated plate material formed in turn of a third insulating layer, third copper foil and fourth insulating layer. The lever includes an area spaced from the detent that is rotatable about a pivot from the latch position to an unlatched position in which the detent is disposed outside one of the adjustment holes. The image processing apparatus includes a control unit configured to display states of the job and the constituent functions, to allow a user to select one of the constituent functions and add a subsequent function after the selected one of the constituent functions, and to receive a request to execute the job.