Since they could smelt iron, calcining limestone to obtain cement was just a minor, incidental task.
Cement is the primary building material, and it is almost a versatile and magical substance.
Listening to these elaborate explanations, Mr. Yu and Wan Youyou felt as if they were strolling among the stars, yet each item seemed simple and easy to understand.
Even if Mr. Yu wanted to deny it, he couldn't convince himself.
Thinking of the windmills he saw in the Uda tribe, Old Yu felt a surge of excitement.
If he hadn't seen those endless spinning wheels with his own eyes, he wouldn't have believed that it was the wind that was at work.
That's the unpredictable wind!
Aside from flying kites and winnowing grain, who would have thought that you could ride the wind!
Only the young mistress has the ability to manipulate the wind so skillfully.
Old Yu recalled the rumors circulating in the tribe, so he assigned Wan Youyou the task of writing down every word Song Liyun said.
To smelt iron, you first need to make refractory bricks, which can be done at the Uda tribe.
There are also coal mines.
Originally, Mr. Yu wanted to build the blast furnace in the Wuda tribe as well, but Song Liyun rejected the idea.
Iron smelting, stone crushing, and coal washing are all heavily polluting, so it's better to choose to work downstream of the river, far away from the tribe.
While it may be premature to say that protecting the environment is everyone's responsibility, we cannot disregard everything and sacrifice the environment for the sake of the economy.
Song Liyun didn't want this world to become like that polluted and destroyed Earth.
And so, mining, iron smelting, and cement production were put on the agenda. Soon, news came from Hecheng, and Zhao Tinglei personally wrote a reply.
Mining requires a large workforce, so the garrison will allocate 5,000 men from the Zhenbei Army to be re-equipped and enter the Dilu grasslands.
This is the second time that 5,000 men have been mobilized since Zhenbeihou rescued the Wuda tribe on the grasslands twenty years ago.
The reason why they were able to mobilize 5,000 men on a large scale without fear of the Di royal court was that the royal court was currently too busy to attend to Mida City.
Driven by the allure of the throne implied by the princess's marriage alliance, the four tribes have ended their years-long facade of peace, and after several clashes, a major war on the Xuyang Grassland is imminent.
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