In a method of manufacturing a semiconductor device, a dummy sample and an actual device are prepared. The image forming apparatus has an operation input part including a touch panel and a hardware key and a transmission part for transmitting synthesizable area information indicating a synthesizable area in a candidate screen of the remote operation screen to the remote operation apparatus. A battery is configured to store electricity generated by the electricity generator. The fluorine gas generation apparatus includes a fluorine gas generator and a buffer tank. If the tissue particles are larger than a predetermined size range, the particles may be minced to reduce their size. A soap dispenser according to at least one embodiment, includes a teaching, entertaining or communication means that is fun or informative.