A control section of each ink tank detects a difference in voltage value between a voltage value of an output data signal and a voltage value of an input data signal through the differential detector. The pictures may include various products, environments in which the products may be used, and available product options. , aminoindazole and aminobenzofuran analogs. An implement and twisters for use in such a method are also described. A wire shielding block is formed on the multi-layer resin mask organic substrate around the semiconductor chip covering and protecting the bonding wires and the semiconductor chip not covered by the transparent window. The inventive composition can be used as a catalyst, i.