The present invention concerns a electrical conducting device. Calibration codes are received for low corner frequency, banding, and high corner frequency. Color inks are adapted to be supplied to the other rows of nozzles, the color inks being different for each of the other rows of nozzles. The 32-way valves are designed as seat valves and are only hydraulically connected to each other. in the method is 70% or larger of the total acid content. The present invention further disclosed a battery having the above battery safety vent.