In fact, Ji Xinghe, an extremely polite and easygoing person, can become quite domineering when it comes to three things: the first, needless to say, is his granddaughter, the second is his martial arts that brought him unparalleled status, and the third is anything related to mechanical repairs, whether it's his forte of car repairs or Mechas.
Master Liu and the others did not pressure Ji Xinghe to watch the real machine test. They had merely extended it as a courtesy invite. There are eight mechanics in Operation Area 109, and only Master Liu and two others were involved in the real machine testing, the remaining five were busy with maintenance work.
"You go to No. 21 first, don't waste any more time."