| 摘要 |
PURPOSE:To perform ceiling wiring work reliably in a short time and to make it possible to utilize a ceiling wiring board as a scaffold by arranging an electric wiring on a rigid board member and disposing it on the upper face side of a housing unit. CONSTITUTION:A rigid board member 8 is composed of wood, plaster or synthetic resin and has strength high enough not to be broken even when a person rides thereon. Various electric wiring is built in the rigid board member 8 thus manufacturing a ceiling wiring board 7. Upon finish of work, the ceiling wiring board 7 is arranged on the upper face side of a housing unit which is then mounted, as it is, on the rear body of a truck. When the unit is covered with a sheet, the ceiling wiring board 7 is utilized as a scaffold. According to the method, ceiling wiring work can be performed reliably in a short time and the ceiling wiring board can be utilized as a scaffold. |
