An Advanced Encryption Standard key generation assist instruction is provided. The lid holding apparatus is arranged to move the microplate lid andor the microplate support is arranged to move the microplate in one respective, at least approximately vertical direction for moving the microplate lid away from the microplate. The gun is aimed at the firing position and both the telescoping barrel stand and the butt harness support are adjusted so that the gun is completely supported in the firing position and the user’s hands are free. The transparent plastic housing defines a bottom opening and a top opening and is provided with a laser-engraving pattern, wherein the housing is fixed to the base via the bottom opening thereof and accommodates the light-emitting component therein. The adjustable upper coil or electrode, therefore, enables the plasma density distribution in the reaction chamber apparatus to be selectively controlled. A router may be provided which selects a communications network in accordance with user configured parameters.