How to judge which section your opponent is from the embroidered words on the black belt of Taekwondo?

The number of upper bands in Taekwondo corresponds to the horizontal bar, and each bar is a band;

Black belt: indicates the opposition of white. Compared with white technology, I have mastered it, that is to say, I can also exert my ability in the dark.

Above the black belt:

Black belt (1 segment/1 product) Requirements: Korea, promotion qualification: 1 year, age: 15 years or above, the following is 1 product;

Black belt (2 segments /2 products) requirements: King Kong, upgrade qualification: 1 year, age: 16 years old or above, the following are 2 products;

Black belt (3 segments /3 products) requirements: Taibai, promotion length of service: 2 years, age: 18 years old or above, the following are 3 products;

Black belt (part 4) requirements: plain face, promotion qualifications: 3 years, age: 25 or above, 4 under 20 but over 20;

Black belt (paragraph 5) Requirements: Taekwondo, promotion qualification: 4 years, age: over 30 years old;

Black belt (paragraph 6) requirements: Tianquan, promotion qualification: 5 years, age: over 36;

Black belt (paragraph 7) Requirements: Hanshui, promotion qualification: 6 years, age: over 43;

Black belt (paragraph 8) requirements: just like, promotion qualification: 8 years, age: 5 1 year or above;

The Black Belt (paragraph 9) is evaluated by a specialized organization. Those who have made great contributions to Taekwondo will be promoted for 9 years, aged over 60 (such as Li Kuiheng, a Korean black belt).