How to not deviate from the geomantic orientation during construction?

If there is a mistake in the vertical direction and vertical pole of Feng Shui in Kong Xuan, it will be a total loss, and it will be impossible to adjust Feng Shui for others in the future. Vertical refers to the determination of the sitting orientation of yin house and yang house. Vertical pole refers to determining the center point and luck of yin and yang room, and the center point is also called Huangwu point. (1) Determination method of vertical direction: (1) For rural houses, villas, single-row single-room houses, shops and restaurants directly facing the street on the first floor, place a compass in the yard or house with the door as the direction. (2) Siheyuan, a courtyard composed of several independent houses, stands independently, with the stronger side of doors and windows as the direction. (3) The high-rise residence faces the sun, including the balcony, the solid side of doors and windows, and the side with strong mobility. (4) the principle of taking the classroom as the direction, taking the Tao as the direction and taking the party as the direction. (5) Sit with your back to the mountain and face the other side, such as a unit room in a high-rise I-shaped building. (6) There are many entrances and exits in large shopping malls in the city. For parties with the main entrance and exit or the Daming Hall as the direction, people who open the door in the corner will sit by the door. (7) Take local orientation, such as the back of the mountain and the sea, and take Gao Chao as the low direction.