C251 Cement Success

The amount of gypsum needed to make up the cement was more than one percent, less than two percent.

The amount needed to make tofu was less.

With just a few hills, Zhao Fengnian suddenly felt like he was being casually tossed around like a piece of dirt in a field.

Zhao Fengnian walked in front of Shi Fu, took the crystal, and looked at it carefully.

Finally, he asked