(The office building of the Municipal Bureau of Industry and Commerce has integrated wiring. The building has six floors. The sixth floor only needs one large room. The conference room is located on the second floor, the registration hall is located on the first floor, and the computer room is located on the east end of the fourth floor. The total length of the building tools is 36M. The total length from north to south is 13M, the corridor width is 2.1M, the floor height is 3.5M, and the total height of the five-storey building is 17.5M.)