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The 26th video of N-gauge model train operation using the Tomix model train automatic operation system TNOS. This time, we are featuring trains that run on the Tokyo Metro Tozai Line. Please note that the sound effects are for illustration purposes only and may differ from the actual ones. As this was filmed in the summer, the sound of the air conditioner is a bit of a concern. The caption for the E231 series 0 series train is correctly 6 doors. Please correct it in your mind.