Zhang Cai used to offend too many people, so the more Ma Lin humiliated him now, the safer he was. Conversely, the more he is used, the more dangerous he becomes.

Of course, this is an internal matter of the Ming Dynasty. When you get to Taiwan Island, it doesn't matter. Anyway, the hands of those ministers can't reach Dongfan Island.

In addition, as time goes by, everyone will gradually forget Zhang Cai, a person who has withdrawn from the stage of history. After Zhang Cai left, Zhang Cai's wives and concubines Wu and Wang, as well as their two sons Zhang Jiafu and Zhang Jiarui, were also sent to the same hall where Ma Lin was located as domestic slaves.

Originally, Zhang Cai sent the Wu family and Zhang Jiafu to his maiden home Wu family in the capital to hide, while the Wang family planned to take them back to his hometown and hide them in his mother's home, the Wang family.

But now after getting Ma Lin's assurance, Zhang Cai directly sent his two old wives and two sons to the same hall for Ma Lin's current person.

Because of the watchful eye of the ministers of the DPRK and China, after Ma Lin gathered Zhang Cai's wife and children to explain the situation, he could only temporarily wronged them - Zhang Cai's two old wives were temporarily used by Ma Lin as laundry servants. And Zhang Cai's two sons have temporarily become low-level people like 9527, responsible for cleaning......

But in fact, whether it was Zhang Cai himself, or Zhang Cai's wife and children, Ma Lin arranged for people to secretly protect them from being murdered.

……

On the other hand, the perfume quickly became famous in the capital through Li Qinger's hard work. However, Marin has the essence of "hunger marketing" and said that he really didn't bring much perfume this time. Moreover, perfume manufacturing is difficult, especially the collection of fragrance in flowers...... So, let's wait two years before buying......

For now, only Li Qing'er and other top brands have obtained rose-scented perfumes. In addition, the nobles in the palace headed by the Empress Dowager Zhang got a batch of lavender-type perfumes.

And strangely, some eunuchs in the palace also seem to be in favor of perfume and like perfume.

"No, eunuchs are not the same as feminine......"

Like described in the TV series, it is actually unrealistic for Dongfang to like men since the palace, the eunuchs are actually just physically castrated, but they are still close to men mentally, at most, their voices are a little shrill and their personalities are a little distorted, but they are not too feminine. After all, being too feminine would never have been accepted by the world in ancient times.

After inquiry, Ma Lin learned that because of the backward castration technology in ancient times and the lack of alcohol disinfection, many eunuchs were "not very clean" when castration, which caused many eunuchs to suffer from some urinary diseases, and there was always some urine smell on their bodies. Therefore, they need perfume to cover up odors more than women.

You must know that if there is a peculiar smell on your body, it is difficult to be favored by nobles, and you can only do some dirty work. After all, the emperor and the concubines would not like a eunuch with a strange smell to serve by their side. Therefore, these people's thirst for perfume is stronger than that of women. Even, perfume brings them the hope of becoming normal......

In fact, some of the more powerful eunuchs also have some urological diseases to a greater or lesser extent, and the smell on their bodies is somewhat abnormal. Moreover, they also cover the odor on their bodies with something scented. For example, sandalwood and agarwood......

Marin also noticed that some eunuchs had a heavier scent of sandalwood on their bodies. But in reality, it was just to cover up the eunuch's own abnormal smell.

It's just that sandalwood and agarwood are expensive, but the effect is average. After all, those sandalwood and agarwood are raw materials, and the essence of perfume is extracted from the fragrance raw materials, the concentration is very different, and the effect is naturally much more powerful. Therefore, those eunuchs, especially those with peculiar smells, were very fond of the perfume brought by Marin and ordered them one after another.

And Marin didn't want to offend these small-minded eunuchs, so he promised to give them priority in supply. Otherwise, if any of them is developed, it will be easy to find fault......

……

The eunuch hasn't come to find fault yet, but Zhengde has come to the door to find fault in person......

On the martial arts field, Zhengde caught Ma Lin, who was watching the excitement on the side, and asked:

"Ma Aiqing, why can't the quality of the plate armor made by my Daming Ministry of Industry be as good as the batch of plate armor you sent?"

Ma Linxin said, can it be the same? The steel I use to make plate armor is secondary steel. When the Ministry of Industry and the War Bureau of the Ming Dynasty were building plate armor, they used brittle northern pig iron with more sulfur and phosphorus, and it was strange that the quality should be the same.

To solve the problem of high sulfur and phosphorus content of pig iron in northern Daming, it can be easily solved as long as the second refining of quicklime is added......

However, this is the biggest industrial secret of the Beihai Kingdom, and Ma Lin naturally will not easily tell the Ming Dynasty. As long as you master this technique, the cast iron cannon or something is pediatric. Therefore, Marin is reluctant to disclose this technology.

However, he solved the material problem in a different way:

"Your Majesty, might as well try to use better quality Fujian Iron and Guangzhou Railway?"

Hujian and Guangdong are mountainous and forested, and charcoal is often used for iron smelting. Therefore, Fujian iron and Guangzhou iron have low sulfur and phosphorus content, and belong to the best quality batch of Daming pig iron. Generally speaking, the Ministry of Industry only casts cannons, and will specially mobilize Fujian Iron and Guangzhou Railway for use. But plate armor is a few things worn by elites, and its importance is very high, so it's no problem to use Fujian Iron and Guangtie.

Therefore, Zhengde immediately went back to organize craftsmen and once again used the high-priced Fujian Iron and Guangzhou Railway to create a batch of new plate armor. However, the quality still seems to be much worse.

So, Ma Lin found the three Beihai craftsmen who were responsible for teaching the Ming craftsmen plate armor building techniques and asked why. The three craftsmen told the truth......

It turned out that the leader of the craftsmen of the Ming Dynasty, who was responsible for learning the creation of plate armor, was a person who believed in hot forging. Because, hot forging can be hammered out of the impurities in the pig iron through repeated hammering to obtain real fine iron.

Moreover, the cold forging method referred to by the craftsmen of the North Sea country requires the establishment of a powerful hydraulic forging hammer. This requires finding a waterfall to build a hydraulic hammer, or building a reservoir at great expense to drive the hammer......

The craftsmen of the Ming Dynasty who were responsible for learning the construction of plate armor were troublesome, and in order to save trouble, they saved the step of cold forging with a hydraulic forging hammer......

However, the cold forging of plate armor is an important guarantee of quality, and without cold forging, the quality of plate armor is difficult to reach the standard. Therefore, the plate armor made by saving the cold forging step is naturally unqualified.

In fact, the problem of being troublesome and trying to save trouble is still common in later generations in China. Many later generations of Chinese workers, when manufacturing products, pursued production speed, and often some seemingly simple but important links were artificially ignored or skipped. Then, made in China became synonymous with low-end. In fact, the difference between Huaxia manufacturing and high-quality products is often not technology, but rigor. The reason why Made in Germany can become the first in the world is because of the perverted rigor of the Germans, not how smart they are. The requirements for the industrial production of the devil are also very strict, and the devil workers are also very obedient, so the quality is okay. Only the Chinese workers, especially the old people, are clever and opportunistic, so the quality of the products is rotten and has become synonymous with low-end......

In his previous life, Marin worked in a factory and did a short period of quality inspection. As a result, he carefully controlled the quality of the products, and was also accused by the workers of finding fault and being brainless...... At that time, when Marin inspected a process, 6 percent of the products were unqualified......

But as a result, Marin was scolded by the workshop director, and not the shoddy workers were blamed......

Therefore, Marin left the factory in a fit of rage, feeling that the kind of factory that did not pay attention to quality had no future. But later, Marin learned that most of the factories in China were that virtuous. It's not that Chinese people can't make good things, but some people don't want to make things well...... Sorry, wrong, not some, but many. This includes the workers, as well as the management of the factory. They only chase the yield, they don't care about the quality at all.

Incidentally, the factory in Marin is the one that produces the core components of the vehicle. Maybe one day, because of the quality, a life will be killed. Therefore, Marin left the factory without hesitation, because he did not want to be the murderer of others indirectly......

……

Ma Lin sighed and explained the reason why the Ming craftsmen could not produce qualified plate armor. Zhengde was furious and ordered the cane to kill the leader of the craftsmen who had omitted important steps without authorization. After all, plate armor is related to the victory or defeat of future wars, and the leader of the craftsmen is actually innocent.

However, the construction of hydraulic forging hammers has become a long-standing problem. Because, on the North China Plain, there seems to be no waterfall for building a hydraulic forging hammer......

"Why don't you go to Hukou Waterfall on the Yellow River to build a hydraulic forging hammer?" Marin suggested.

"That's at the junction of Jin Province and Shaanxi Province, far away from the Jingshi ......," Zhengde hesitated.

"But it's also the territory of the Ming Dynasty!"

Zhengde nodded, agreeing with Marin's point of view. Then, three craftsmen from Marin, who were good at plate armor forging, took a large group of Ming Dynasty craftsmen to Hukou Waterfall to build a hydraulic forging hammer......

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