Return to 1987 and Start the 23Rd Century

In 2026, Lin Yuan, 23 years old, is a P6 "consumable" in a major factory. On the 30th day of a continuous all-nighter of 996, his thought for a second before he died suddenly in the rental house was: If he could do it all over again, even if he had to eat bran-pharyngeal vegetables in 1987... When I opened my eyes again, the air was filled with the smell of briquettes and the engine oil of Erba Dabang bicycles. He really went back to 1987 and became an 18-year-old boy who had just failed the college entrance examination and was repairing radios at the entrance of an alley. Before he had time to adapt to his youthful body, a mechanical voice suddenly sounded in his mind: [Civilization jump system started, data source: 23rd century (2226)] Looking at the rough tube components in his hand, and then at the black technology tree in the system panel that could change the world, Lin Yuan showed a smile that he had never seen in the social animal era. "In this life, I will not make PPT or reports. I am only responsible for one thing -" "Reach the human civilization progress bar to full!"