An electronic device includes an electronic component and a fixing structure. The invention pertains to collection of data such as data pertaining to the skull of the patient, the scalp of the patient, the vascular structure or neurological structures in the head of the patient, and the like. The code provides a signal to a server when the banner is viewed on a computer of a user. Parameter values indicative of characteristics of the tumor are extracted from each image and displayed in tabular or graphic format by time. An engine rotation speed control unit controls rotation speed of the engine to be greater than or equal to a required cargo handling engine rotation speed.