Siheyuan: Repair the Broken Bench and Reward the Photolithography Machine

Jiang Fan traveled through the 1950s and became an apprentice carpenter who could be bullied by everyone in the Qinman Courtyard. At the beginning, he was ridiculed by Jia Zhang, and his survival was in doubt. In desperate times, everything is restored and the merit return system is activated! A broken chair that was on the verge of falling apart was repaired and turned out to be a national treasure of the Ming Dynasty? Bite! The perfect restoration of the national treasure carries the "national destiny of ingenuity" and rewards the lost alloy created by Tiangong! The whole hospital is laughing at me for spending fifty yuan to smelt scrap metal in the backyard. Am I the biggest fool in the world? The discovery of a mysterious alloy that transcended its time alarmed the highest level of the center. Chief Engineer Qian Xuesen came in person overnight and lost his composure on the spot! Yi Zhonghai: "Nonsense! What you are making is a pile of scrap metal!" Qian Xuesen: "Confused! This is our nation's hero and the cornerstone of our country's destiny!" Repair the broken algebra, reward a high-precision slide rule, and crush the arrogant Soviet experts on the spot! Repair Silly Pillar's broken kitchen knife and reward Damascus steel forging method, shocking the entire industry! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.