Good Landlord of the Tang Dynasty.

Summary

In the evening, Dad returned with supplies for Zhang Chao, who had transformed their old kiln cave into a tidy and organized space with a new stove and heated bed. Zhang Chao had taken on apprentices and planned to specialize in building heated beds. He experimented with alkali extraction for cooking purposes, successfully producing caustic soda, soda ash, and baking soda. Zhang Chao aimed to use baking soda for leavening dough, planning to make steamed buns to demonstrate its effectiveness. Meanwhile, Dad contemplated building a new cave dwelling, discussing logistics and materials needed for the project.

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