Zheng Cheng said solemnly, "Rest assured, my lord, I will manage the Ministry of Industry well."
"Then I will await your results." Zhao Yao said as he took an envelope from a drawer and handed it to Zheng Cheng, "Inside are the methods for making cement and glass. Read them now, and once you've memorized them, I'll burn it."
Zheng Cheng didn't know what cement and glass were, but he was sure that anything Zhao Yao made was bound to be good. He quickly took the envelope and opened it eagerly.
After looking at it for a while, he was utterly shocked. He looked up at Zhao Yao in disbelief, "Your Highness, this cement..."
"It's a good thing, and its applications will be significant. Once it's made, it will surely astonish the world, so you need to make it quickly." Zhao Yao said, "Once the glass is made, you can create items related to it, just like porcelain, understand?"
