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Lubanyang ruler is "Lubanyang ruler", commonly known as "menmi" or "wenmi".
1, carpenters will use it when making tables, doors and windows furniture: carpenters will use a ruler one foot four inches and one quarter long when making tables, doors and windows furniture. Rulers not only have dimensions, but also words to ward off evil spirits and take good luck. People call it Lu Banchi, also known as Wenmi, which is a necessary tool for craftsmen.
2, Feng Shui usage: use the corresponding length to determine bad luck.
This is Lu Ban's ruler method based on the theory of "Mystery and Eight Diagrams". This meter is one foot four inches a minute long. Based on the five words of life, old age, illness, death and suffering, it is divided into eight compartments, each of which has its own bad luck, and the order is "wealth, illness, righteousness, separation, official, harm and foundation". When using money, the head is the tail, and when measuring the ruler, you should be lucky and avoid evil. It's called "You Zi", which means "Gao is the father and deep is the mother earth".