Lin Zhu, a construction site worker, accidentally came to the post-apocalyptic wasteland world and awakened the contractor system.
There is nothing that cannot be built, from toilets to spaceships. If so, then 10 million more workers will be needed.
Many years later, Lin Zhu, the head of the Republic, the chief architect of the Republic, and a good son of the people, who had built the wasteland world into a new world, angrily said when faced with the interdimensional toilet that even three hundred people could not build, "If three hundred people can't build it, then three thousand! Thirty thousand! Three hundred thousand!"