Cement making is not too difficult, even if Zhou Ji is not very proficient in this process.

It is still possible to mix sand and gypsum lime with stone flakes of various hardnesses.

This is a slightly rounded piece of cylindrical cement.

Zhao Yun's eyes were surprised, he picked up the cement slab and took a look, and his heart was shocked indescribably.

"Use your broadsword, slash and try."

......

Chapter 48 of "Rebirth of the Three Kingdoms and Marrying Xiao Qiao" Just rely on one mouth to defeat 100,000 wolf clans is in the middle of a hand, please wait a moment,

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