Lu Jiang is very angry now, and he is the only master craftsman with a knighthood in Jingyang. When he goes out, many people have to respectfully call him Lu Gong. The water conservancy machine he made was extremely useful, as long as the rice was put in, and after a while, the grain would come out.

Jue Zhi Hairpin has received more than a dozen apprentices, and he doesn't have to do anything every day, as long as he is responsible for instructing the apprentices and letting the apprentices do it. In winter, the sales of Fusu pot are very good, and the price is cheap, and you can buy a bite for 100 yuan. Even with him, he got a lot of rewards, and Bai Ji also gave him a piece of jade, which made him beautiful.

Last month, Bai Ji gave him an errand, that is, he had to burn cement. Cement is simply two grinding and one burning, and the raw materials are nothing more than limestone, clay, iron ore and other materials. According to Lu Jiang, in fact, lime mortar has been used in recent years.

Only then did Bai Ji remember, around the 8th century BC. The Egyptians had already built pyramids out of lime mortar, the Romans built the Colosseum with water-cemented cement, and the ancient Greeks used it as a stone path for the construction of temples. Let's go a little earlier, according to the excavation of the Qin'an Dadiwan site, the building ground is not a rammed earth structure but a ground similar to modern cement made of material stone and sand and gravel.

In the Spring and Autumn Period, limestone began to be used to make lime mortar for ramming earth. The Great Wall of Yanzhao and Zhao is partly used in lime mortar. During the Northern and Southern Dynasties, glutinous rice juice began to be added to it, and its strength was much greater than that of pure lime mortar, which could stand for hundreds of years.

Lu Jiang found a good hand of burning limestone from the next county and jointly developed it. But Bai Ji's target was too high, and they tried hundreds of times together, but all failed without exception. The burned out is not cement at all, and after it solidifies with water, it becomes powder when you pinch it with a little hard hand.

They are made according to the recipe given by the white millet, but there are still problems with various indicators. For example, how fine the grinding is, and the iron content of the iron ore...... These have touched their blind spots, and they can only try it slowly on their own. Bai Ji could have come out by himself, but he didn't help. The principle is actually the same as that of Lianji, what he hopes is that Lu Jiang and others will develop it themselves.

He gave a general direction, and the follow-up was all up to them. If it doesn't work once, try it a hundred times, and if it doesn't work a hundred times, then a thousand times! The experience of failure accumulated is also very valuable. These days, Lu craftsmen have lost a lot of weight, and they are thinking about how to burn cement when they eat and sleep. The day before yesterday, when he was in the thatched house, he suddenly had an idea and thought of a new method.

So, yesterday I pulled a few craftsmen and started to try. I have been busy until now, my eyes are bloodshot, and I haven't eaten a mouthful of food. The burned stone is so crisp that it shatters when you hit it with a hammer. Then grind it with a stone mill, and then put it directly at the door with water.

If it doesn't succeed this time, then Lu Jiang is really out of line. A large number of artisan slaves were all around, many of whom were transferred from neighboring counties, and two were Xiongnu. These Xiongnu became the spoils of war of the Qin State, and in the case of the Bird, he had two Xiongnu servants. I don't talk about serving him all day long, but I have to help plow the fields and cultivate the land. The slightest dissatisfaction is a beating and scolding.

There's no way, there's a shortage of people!

In the spring, I was busy farming, and not many people came to work in the workshop. For these farmers, the most important thing is the crops. Even if the wages are high, they are unmoved. This is actually a matter of ideology, taking later generations as an example, there are many people in Baiji Village who are unwilling to go out to work, and are only willing to serve the crops.

Bai Ji didn't have a problem with them, and recruited many women as workers. The paper mill brewery is easy to say, after all, it is not tired, and women can easily do it. But the miners made steel, which really made it difficult for him. Mining is good to say, after all, it is manual work, so Bai Ji arranged some Huns to do it. Although the job of reasoning is simple, it is also life-threatening.

You don't have to give money, just take care of a meal. These Xiongnu were even very grateful to Bai Ji, saying that they were content to have something to eat. They also belonged to the lowest class on the grassland before, and they had to help the Hun lords herd cattle and sheep. Now when they come to Xianyang, all they have to do is mine. All the black ones are the same as carbon, and they work very hard.

Craftsmen, Bai Ji had to let Xi go to transfer manpower. If there are not enough craftsmen in Jingyang, then dig from the next few counties!

As long as there are skilled veteran craftsmen who are willing to come to Jingyang, all the procedures will be handled by Bai Ji. Not to mention the salary every day, they can also settle down in Jingyang, and the house will be sent for free, including the household registration of their direct relatives. Now the Jingyang household registration is very popular, if you want to go to school in the Xianyuan School Palace, you must be from Jingyang, or you have to donate money to buy a house in the school district.

According to Bai Ji, this is called talent introduction. Other counties are in turmoil, Bai Ji doesn't care, anyway, his conditions are open, as long as these people are willing to come, no one can stop them. This is a hardship for these county orders, and if there are no craftsmen, it will be difficult to repair a plow.

A bunch of people were just around like this, and the atmosphere didn't dare to breathe. Bai Ji stood in the middle, looking at the cement that was gradually solidifying, frowning and thinking. The specific formula of cement includes various indicators, and he has them all. After an overnight period of air drying, the cement has now solidified.

"Tsk, let's take a look. This is the king's immortal law! This ability to turn mud into stone is already satisfied when he sees it today. ”

Maybe it's a matter of Bai Ji's identity, as long as he does something, and they don't understand it, they subconsciously think it's an immortal law. In fact, Bai Ji didn't do anything at all, just walked over and took a look, but in their opinion, this is not the case.

Before, Lu Jiang's hair was gray, and he was stunned that he didn't do it. Now that Bai Ji has just come, it will be immediately done, isn't this an immortal law?

Bai Ji didn't bother to explain too much, so he poked it a little with his hand, and immediately poked out a hole. This poke also seemed to poke out a hole for Lu Gong, like a deflated ball, and sat directly on the ground. His eyes were distracted, and his face was full of grief and indignation.

Failed again!

"Lu Gong, what are you doing on the ground?"

"After that, it was burned, and the cement was made."

"Business Season...... What about the business season?! Come here, send this cement slab to Xianyang. ”

"Cheng ...... It's done!? ”

There was hope again in despair, and Lu Jiang rubbed his eyes and looked at it incredulously. Bai Ji is a fairy, not to mention that this is a cement slab, it is a diamond, and Bai Ji can also poke out a hole. He probably tried it just now, and he must have met the mark.

"From now on, I will do it according to this firing and do it well. If nothing else, all of you will get a knighthood. ”

Bai Ji looked at these swarthy craftsmen and smiled sincerely.

If it is made of cement and matched with steel bars, the second and third phases of the school district can be built into the type of tube building. It doesn't need to be very high, just have three or four floors. That's all there is to it, but the area of the house is increasing exponentially!

That's a lot of money!