It stands to reason that Li Tai does not understand the firing process of cement at all. But just a few months ago, Li Tai's redemption options were finally updated. All four options have new items.

Two items of glass appear in the item exchange slot, one is a glass mirror and the other is a glass tea set. There are two technologies that appear in the technology exchange column, one is glass manufacturing and the other is cement manufacturing.

Seed pairs are replaced by high-yielding soybeans and peanuts. With these two seeds, Li Tai is ready to start extracting vegetable oil, ending the thousands of years of animal oil use.

Appearing in the weapon exchange slot is the Indian Round Knife and the King of Cold Weapons, the Triangular Army Thorn. Li Tai had already exchanged them and handed them over to Shen Yunfei.

Two pieces of glass products and glass manufacturing techniques, Li Tai gave them to the Gao family together. Now the Gao family has begun to produce and develop glass products. It is estimated that it will not be long before the 33rd Heaven goes on sale.

Li Tai also exchanged a certain amount of the two seeds and handed them over to the Boling Cui family for planting. Now Bolingcui's house has become Li Tai's farm.

However, the Bolingcui family was happy to do so, because they got a great benefit from it. Not only did he not have to repay Li Tai's 150,000 taels of silver, but the annual grain harvest was not less than in previous years.

As for the cement manufacturing technique, Li Tai did not let him be idle, and had already arranged for Zou Fengchi to fire at the foot of Lishan Mountain. It's just that it's still in the experimental stage.

But Jing Wanjun didn't know what Li Tai was talking about, so he asked Li Tai: "I don't know what the new building materials the lord said?" ”

"This king named it cement, and you only need to add an appropriate amount of sand and water to make it a paste...... and then Li Tai explained the use of cement to Jing Wanjun in detail.

"If it is really as the lord said, as long as the lord hands over this cement to the old man, the old man will not have two years, and he will guarantee that the construction of the Lishan Palace will be completed within one year." Jing Wanjun said happily to Li Tai.

……

Now Li Tai has found the Momenhu family and the Momenjing family again. This allowed Li Tai's strength to expand again. For Li Tai's development, it has been improved again.

Now at the foot of Lishan Mountain, it is a busy scene. Li Tai's position in Huaqing Pond in history built the Lishan Palace for Li Shimin.

Maybe it's Li Tai's bad taste, or maybe Li Tai doesn't want the name Huaqingchi to disappear. So he named this palace Huaqing Palace.

The hot springs in the palace were named Huaqing Pool by Li Tai. Now the hot spring water has been brought in, and the construction of Huaqing Pond has begun.

Moreover, Li Tai's cement was also fired not long ago, and Li Tai ordered Zou Fengchi to open a tile firing workshop again.

It can be said that the current Zou Fengchi is really busy with a foot in the back of the head. Nowadays, he manages more and more enterprises, and one person is simply lacking in skills.

Fortunately, Li Tai sent him again, some shrewd and capable people, which barely allowed the thirty-three heavens to operate normally.

Jing Wanjun was even more happy after seeing the cement, coupled with Li Tai's new design plan and construction process. It made Jing Wanjun even more amazed.

Even Jing Wanjun began to suspect that Li Tai was the reincarnation of Mozi, the ancestor of Momen. It is the savior of Momen who came specifically to save Momen.

On this day, Li Tai brought people to inspect the site of the palace, and at this time, he suddenly heard a noise ahead. Li Tai ordered Li Tianming to go to investigate, only to find out that it turned out that someone slipped and fell into the well when he was fetching water.

This suddenly made Li Tai think of something, that is, the piston pumping machine commonly used in later generations, to put it bluntly, it is the foreign well in the mouth of the common people.

Now Shen Yunfei has led the Shen family to the foot of Lishan Mountain, and built a smelter at the foot of Lishan. Of course, it was nominally built for the construction of the Lishan Palace.

Li Tai immediately ordered someone to call Sheng Yunfei over, and then sketched out the shape of Yangjing on paper with a pen. And the way it is used is marked in detail.

"Lord, I don't know what you have to explain when you call Yun Fei over." Shen Yunfei came to Li Tai and said.

"My king has just heard that a man has fallen into a well because he was drawing water. So I came up with a way to fetch water instead of a bucket. After Li Tai finished speaking, he handed over the Yangjing drawings in his hand to Shen Yunfei.

Shen Yunfei kept nodding and praising after reading it, but one thing that made Shen Yunfei feel embarrassed was how to achieve the sealing effect.

After all, rubber trees have not yet been introduced in this era, and even if there are rubber trees, they do not know that rubber can be refined. Although Li Tai heard that the fig tree can also refine a small amount of rubber.

But even if a little rubber can be extracted from the fig tree, it is definitely a plum to quench his thirst for Li Tai now. After all, today's industrial technology simply can't do it.

So Li Tai had to think of other ways to solve this sealing problem. In the end, Li Tai chose animal skin, replacing rubber with soft animal skin.

Although the use of animal hides is much more expensive than that of rubber. But at least it can act as a seal. In this way, Shen Yunfei successfully manufactured Yangjing.

Li Tai named it Tangjing, and since then he has laid the brand of the Tang Dynasty on this water-taking artifact. And Li Tai also saw business opportunities from this.

But Li Tai knew that the manufacturing process of this Tangjing was very simple. There is no way to keep it secret, and it is estimated that it will not be long before someone will follow suit.

So Li Tai is ready to be a favor and give this Tangjing, who can't do monopoly industry, to his father Li Shimin.

When Li Shimin saw such a water artifact, he couldn't help but be dumbfounded. I even took the water myself.

looked at the bucket of water that he pressed out with his own hands in front of him. Li Shimin asked happily: "Qingque, how did you come up with this thing." With it, people can dig wells in their homes or fields to irrigate their fields and use them at home. This is definitely a good thing for the benefit of the country and the people. ”

"Father, the reason why Qingque made this Tangjing is that someone once poisoned the water source. As a result, Qingque and the forbidden army of King Wei were almost wiped out. But with this Tang Well, it is possible to avoid the fact that someone is poisoning the water source. Li Tai said to Li Shimin.

"No matter what, you have done a great thing for the benefit of the country and the people. Tell me how I will reward you this time. Li Shimin said to Li Tai with a smile.

"This time, Qingque didn't let his father reward anything, and he was ready to dedicate this Tangjing to his father. The Ministry of Industry was ordered by his father to implement it in the world. Li Tai said to Li Shimin with a smile.

"You kid don't come to this set, I don't dare to use your things for free. Otherwise, I can't tell when you turn over the old accounts, and I can't afford to accompany you. Li Shimin said after waving his hand to Li Tai.

Li Tai didn't expect that Li Shimin would see himself like this. So he said with a helpless expression: "Father, isn't there a good memory in your mind?" ”

Li Shimin nodded first, then shook his head. Then he said to Li Tai: "When you were a toddler, you left me the best memory. ”

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(End of chapter)