整个雕塑由两个硬纸板做成的管子构成，小的一个管子在大的一个顶端上，全部都刷上了白色的建筑油漆。
It is composed of two cardboard tubes, a smaller one on top of a bigger one. Both are covered in White House paint.
其与非门电路不仅全部由npn型晶体管构成，且结构非常简单，容易做成集成电路。
Especially, the circuit of NAND gate my be totally made by NPN transistor, and the circuit structure is simple, easily is complicated by Integrate circuit.
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