A storage rack is provided for storing a plurality of articles such as glass sheets. Then, a voltage of the first polarity is outputted to the n-th data line, a voltage of the second polarity is outputted to the -th data line and the -th data line, respectively, and a voltage of the first polarity is outputted to the -th data line, during an -th frame. The delay cells are connected in a ring shape. The airbag cushion is attached to, or contained within, a portion of the lap belt portion seatbelt webbing.