Comprehensive Comic: Building a Multi-Faceted Empire Starts from the Iron Fortress

Travel through the world of Iron City and awaken the mechanical dominance system! In order to survive, Zheng Yuhong took the small pistol given by the system and began to hunt zombies without hesitation! He originally thought that it would be OK as long as he went all the way. Until that day, he saw the system laughing and throwing a book of basic mathematics at his face, and took out basic mechanical engineering, basic materials science, basic biochemistry, basic mechanics, basic electromagnetic principles... He bit the bullet and started to work, and with this move, he created a god-level technological and mechanical empire that dominates the multiverse! In the end, Zheng Yuhong became cirrhotic and became invincible. "What? Girl? Stop making trouble, how can studying be fun for a girl!?" Surrounded by the fragrant wind, Zheng Yuhong said this. Ps: Iron City, Biochemical, Scarlet Bullet, Black Bullet, re0, Bone King, Sister-in-Chief, Pirates, Devil High School, Slime, etc. Are currently in progress This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.