When Ling Chengyan was about to leave, the instructor grading the papers advised her not to get angry with the new recruits, to speak nicely, and that getting worked up wasn't worth it, and so on.
Upon returning to the Automobile Company, Ling Chengyan called out the two unqualified new recruits separately, and without scolding, she had them get in the vehicle for hands-on practice. They had to explain the theoretical basis while operating.
Don't know how? Fine, memorize it on the spot. If you can't memorize it, you'll miss dinner. Still can't get it right? Then breakfast the next day is gone as well…
