Composite sections for aircraft fuselages and methods and systems for manufacturing such sections are herein. Therefore, shield film 50 can be placed at ground potential on not only the side of cover film 21 but also the side of base film 11, whereby wiring board 1 can be wholly shielded from the noise emitted from other electronic components. A key input part is further provided to be foldable on the panel housings. The low-order decoder generates a low-order control signal for controlling the conversion unit. In one embodiment, a washing fluid is directed at the pad to clean debris from the while a second fluid is utilized to remove the washing fluid.