Familiar tunes, familiar lyrics, the person listening to the song is still Li Mingyue.

When I heard it for the first time, in addition to the amazement of "Farewell", there was also admiration for Gao Sheng, but at this moment, her mood was different from that time.

While Li Zhi knew everything, he didn't keep it secret, but asked the singer who was trained by the imitation division to come out and perform for her, and his intention couldn't be more obvious.

At the end of the song, Li Mingyue was already at a loss for fear in her heart.

In addition to the feudal estate, the nobles and clan relatives will do some business to make money, this kind of thing is harmless at all, and Li Zhiju will not use this way to knock her and Zheng Wangfu.

Now except for a few cautious people, who doesn't have direct and indirect secondary and tertiary industries?

There are some other industries in the Ming and secret realms of the nobles, clan relatives, and it is not a secret that the DPRK and the Central Government are not guilty, and Li Zhi is not guilty of knocking on the Zheng Wangfu because of this.

Just when Li Mingyue was suspicious, Li Zhi said: "This Xiahe County man is a wonderful person, I like this song very much, go back and tell him, let him have any good tunes and good poems to offer." ”

Li Mingyue should be submissive.

I only heard Li Zhi say again: "Although he offered the new steelmaking law, in the eyes of the ministers of the DPRK and China, he was awarded the title of the man of Xiahe County, and the opposition of the ministers of the DPRK and China is becoming stronger. ”

After that, Li Zhi picked up a stack of folds on the case and said to Li Mingyue: "The impeachment and reward of the imperial history is too much, there are so many twists and turns every day, I am tired of it, and I have blocked it, Mingyue is familiar with him, go back and tell him that I have a good eye for him, but this Xiahe County man's knighthood is not easy to take, it is very hot, I hope he will concentrate on doing things for me and the Tang Dynasty, and then make new contributions, so as not to be in vain for this Xiahe County man's knighthood." ”

Li Mingyue hurriedly agreed, and only at this moment did she understand that Li Zhi was not targeting her, nor Zheng Wangfu, but through her to beat Gao Sheng, this title is not easy to get.

The cake is given, and the big stick has to be knocked down.

Gao Sheng was knighted, that is Li Zhi's high hopes for the new steelmaking law, if not, how could this Xiahe County man fall on his head?

The border generals fought for most of their lives, won countless battles, and barely won the title of county man, how can a Tian Shehan be able to get the reward of the county man just by offering the new steelmaking law, how can the ministers of the DPRK and the Central Government be calm?

Li Mingyue finally figured out the key, no wonder Li Zhi wanted to use her hand to beat Gao Sheng, perhaps, Li Zhi had other plans for Gao Sheng.

Sure enough, it is like a companion to the tiger, no wonder that guy doesn't want to be an official.

Since Li Zhi wanted to beat her to the top of the house, of course he would not keep her in the palace anymore, and let her go out of the palace and return home that day.

Today is the seven-day limit agreed upon by Gao Sheng and Wei Yuanzhong.

Di Renjie and Wei Yuanzhong had breakfast, and stood respectfully in the studio, waiting for Gao Sheng's arrival.

In the past seven days, the two have been quenching steel bars in the studio in addition to eating and sleeping, not only testing the quenching method of Gaosheng repeatedly, but also pondering other quenching methods, but the hardness of the forged steel bars is not up to standard.

It is also easy to test the hardness of the steel bar after quenching, and the approximate hardness can be estimated by cutting with ordinary sharp blades.

The kitchen knife used by the kitchen lady is made of carbon steel made by the new steelmaking method, and the steel bar they forged is sharpened, and the kitchen knife is knocked against each other, and the collapse indicates that the hardness is too high, and the kitchen knife is cut in, indicating that the hardness is too soft, and both are not up to standard.

Only quenching to keep the steel bar at a reasonable hardness, tempering can maximize the hardness and toughness of the steel bar.

After seven days of testing and research, after knowing the basic mode of steelmaking, Di Renjie and Wei Yuanzhong had already felt that in the process of quenching, it would not work for a simple master to lead the door, and they had to promote this kind of person who successfully forged good carbon steel, and teach by example with experience.

Otherwise, it will only be a waste of manpower and material resources.

Gao Sheng was in a good mood, he and Zhang Dazhu searched outside for seven days, and finally determined the location of the limestone mine, which was next to the road leading from Xiahe Village to Shanghe Village.

This location, when he and Zhang Dazhu were still stealing radishes in Zhang's butcher's field.

Just behind the turnip field, there is a small rocky hill with sparse weeds growing only on the surface.

One side of the hill is also exposed to a fault, which is covered with white rocks.

In fact, this white rock is natural limestone, and the entire small stone mountain is made of natural limestone.

The location of Xiaoshishan is right in Butcher Zhang's field, which is much easier for Gao Sheng to deal with Butcher Zhang.

Limestone mines are found, and the number is beyond imagination, and the production of soap and soap is just around the corner.

With Xiaoshishan in hand, according to the current sales of soap and soap, it will be doubled, and within ten years, he will not need to find other limestone deposits, and it will be enough for him to mine limestone, so as to refine soda ash to make soap and soap.

People are in good spirits on happy occasions, and when they see Di Renjie and Wei Yuanzhong, Gao Sheng is happy, but he forgot the previous bet with Wei Yuanzhong, and said generously: "You two have also studied steel bar quenching for several days, and there are only pipelines that you don't understand." ”

Seeing him so refreshing, the two were a little dumbfounded.

Di Renjie suddenly stepped forward with a smile and said, "Third brother, did you encounter any happy events today?" ”

Wei Yuanzhong breathed a sigh of relief, but admired Gao Sheng's mind in his heart, and he didn't mention the seven-day appointment, which allowed him to avoid the embarrassment of losing face.

Gao Sheng scolded with a smile: "If there is no happy event, don't you want to teach you the new method of steelmaking?" I'm still afraid that I will lose my head if I resist the decree! ”

Di Renjie smiled and said: "The third brother is funny, loves to laugh, loves to laugh, the Holy Lord treats you as a treasure, how can he easily cut off your head?" ”

"Come less." Gao Sheng rolled his eyes and said, "Since I have been instructed to teach you and others, I should try my best to teach the method of steelmaking. ”

After speaking, he beckoned Di Renjie and Wei Yuanzhong to step forward, first took the steel bars that the two of them had been quenched and scrapped during this time, and said one by one why these steel bars were scrapped.

It is nothing more than that the fire of charcoal burning is not well mastered, which must be judged from observing the fire of charcoal burning, mastering the fire, and determining the quenching time, in order to quench the steel bar with reasonable hardness.

There are a lot of carbon impurities in this period, and the heat released by each piece of charcoal combustion is not the same, what we need to master is the charcoal combustion fire, there are many impurities, add charcoal, accelerate the blower, can meet the requirements, but in the quenching time, maintain such a fire in order to make the steel bar through balanced quenching, to get the ideal hardness.

Easier said than done.

Under his hand-in-hand guidance, Di Renjie and Wei Yuanzhong still had no way, but they made great progress compared to before.

The difference between groping for oneself and being taught by words and deeds soon became apparent.

When it was time for dinner, Di Renjie and Wei Yuanzhong finally mastered the trick of quenching and quenched the first steel bar with reasonable hardness......