Among the more popular ones are steel, and plasma method he employs in his manipulation of steel, and light that is revealed as a property of his manipulated steel. Although its idea easily mingles with light, it may be dared to express the final result as a hole. Steel, plasma method, and light all come from and return to the basic and primitive essence of hole. In other words, as steel and plasma method are the means to a hole, light is the resultant phenomena of the hole. So it is, that purpose and essence that lie beyond its means and phenomenon lie within the involuntary and primitive, the hole.