What is the duty of the referee in taekwondo competition?

Each has its own division of labor, and the referee is responsible for judging the competition. Under the condition that the level gap between the athletes of the two sides is quite wide, it is necessary to stop the competition in time for protection; The linesman is responsible for scoring; The referee on the court should not only give various punishments such as adding and subtracting points according to various situations on the court, but also need to read the referee's instructions and show the situation of the game on the court.