The invention recirculates andor recycles fluids normally lost down the drain during the time it takes for a desired temperature to be attained for usage of the hot fluids. The system uses a precoding module installed in front of the data-dependent superimposed training mechanism to precode data by a precoding matrix. of a control panel of a processor. A first connection line may be electrically connected to the second bus electrode and a second connection line may be electrically connected to the first bus electrode is disclosed. The physiological state is computed from at least one of step interval variability and stride interval variability acquired from the gait measurements. An incident slit with an arc shaped convex portion is formed facing the first color LED, and a saw tooth slit with a right-angled triangular concave portion is formed facing the second or third color LED.