"Let's head back first."
Lin Ke did not linger.
The core of a hydroelectric power station was its generator. Everything else could wait until he had made one.
Magnetite and iron ore were one issue, and rubber was another.
Its main purpose was to insulate against electric current, while also providing protection. For now, he could only substitute other means.
If he discovered rubber trees later, he could also try making it.
Rubber had many uses, including shock absorption and insulation. It was one of the indispensable materials of industry.
Of course, those things were one concern, and food was another.
Industry and agriculture were both very important.
He wondered whether Green Python and the others had found any food crops that could be cultivated on a large scale and mass-produced.
When he returned to the cave abode, Jingang had already given it a complete makeover.
Previously, Lin Ke had enveloped the cave abode's entrance with the Novelists' School's power of imagination, but the mountain surrounding it had remained a weak point on every side.
Now, however, Jingang had covered the entire cave abode with literary qi and refined it, turning it into a seamless whole that was virtually impregnable.
To destroy the cave abode, someone would have to destroy the whole thing outright. Boring a hole through the mountain to get inside was impossible.
Besides the doorway, Jingang had also made some ventilation windows.
Now, the only ways in were through the windows and the doorway.
As long as those two points were kept under control and given sufficient defenses, ordinary demon beasts could be kept outside.
Lin Ke brewed tea with mountain spring water and entertained Li Qing for a while before Li Qing headed back as well.
Only he and Jingang remained, sitting in the living