A method and structures are provided for implementing vertical transistors utilizing wire vias as gate nodes. The data latch module stores the digital signal generated by the image signal module temporarily and then transmits the digital signal to the level shifter module. A baffle plate is provided behind a remaining portion of the core surface, which is not covered with the shutter, for directing the air, having passed through the remaining portion, to outside the engine room. The data block includes a data array to store and provide previous data inputs and previous states of the modeled flip flop. If, however, the network appliance identifies a virus, the mirrored copy is not updated. Furthermore, a method for determining an absolute configuration of a chiral compound is carried out by introducing the above achiral biaryl-type compound into the chiral compound.