, participated in the national calibrator training class and passed the exam. His climbing ability of red dot has reached the American standard 5. 13a, and he has worked as an intern aligner at least twice in national competitions recognized by chinese mountaineering association. After two internships, he will accumulate three items: difficulty, speed and rock climbing, and pass the internship. According to the relevant public information, the technical level of rock climbing aligners corresponds to that of rock climbing referees, and the grade titles are divided into international aligners, intercontinental aligners, national aligners and first-class aligners. Before each climbing competition, the route setter needs to draw a road map according to the specific conditions of the rock wall and try climbing after installing rock points on the rock wall. After many simulations, a race route can finally be determined.