English: In two direct current line type of the model train set, it is an explanation photograph of the right side flow of the electricity of the plus and the advancement at the case.
{{Information |Description ={{en|1=In two direct current line type of the model train set, it is an explanation photograph of the right side flow of the electricity of the plus and the advancement at the case. }} {{ja|1=鉄道模型の直流2線式に�