An Engineering Geek Living in the Tang Dynasty

When I woke up, the bustling dust disappeared, and the modern engineering geek came to Zhenguan Tang Dynasty! As an engineering expert with martial arts, skills, ideals and culture, oh, no, an engineering otaku, Li Zexuan just wants to stay at home, hug his wife, play cards, sleep and read novels, and live a leisurely life of "a pair of people for the rest of his life, half drunk, half awake and half floating". When he has nothing to do, he can teach a few apprentices and let them go out on his behalf. But…