How to make the advanced arms (heavy riding, heavy artillery, etc.) in the enhanced version of the Three Kingdoms 12, please elaborate.

In order to arrange the production of military commanders in the factory, the owner only needs to "reload" the heavy riding and heavy artillery. Then when you go out, assign soldiers and heavy weapons to generals who know rifles, and then select the "heavy guns" in the arms (note that the system defaults to light weapons) to become heavy guns. Similarly, soldiers and generals who are heavily equipped to know cavalry can choose to ride again.