"Whoo."

Qi Cheng walked around outside for a while and then went home. His mother had already prepared the vegetables to sell. Although his car was just a small SUV, it was used as a truck when transporting the vegetables.

After sending his mother to Xiaoshi, Qi Cheng left quickly. Parking is not allowed here, and it would be a big loss if he was fined or deducted points.

After returning home, Qi Cheng lay on the sofa and began to think about work. After thinking about it for a long time, he could not find anything good to do, so he took out his mobile phone to play for a while.

After watching cartoons for a while, I found it boring and started watching various videos again.

There were still a few dancing beauties in front. After Qi Cheng finished brushing them, he flipped down and saw the necessary skills for time travel that he had brushed before.

[Essential Skills for Time Travel—Steelmaking]

[When your salt sells well everywhere, someone will definitely come to trouble you. This is when you should upgrade the equipment of your armed forces.]

[Buying iron on a large scale would certainly arouse suspicion in the imperial court, so you can only refine it secretly.]

Daqin

Qin Shihuang quickly called Li Si and asked him to remember all the words clearly. After learning how to make sea salt last time, the court made a lot of profit.

Now that he can produce good steel this time, he will have the confidence to go north and fight the Huns again.

Li Si wrote quickly on the bamboo tube with a pen, and the Mohist disciples gathered in Xianyang were also busy. They had already started looking up information and planned to make improvements directly.

big man

Liu Che had a slight headache, but he was not too worried because the Enfeoffment Order had been implemented and the major concerns of the princes in various places would become weaker and weaker.

As for the powerful people in various places.

Haha, do you really think the Han border troops’ swords are not sharp?

Tang Dynasty

It was as if a crow flew over Li Shimin's head. The beauties he had just seen did make the corrupt scholars a little angry, but the appearance of this also made him frightened.

He felt that this was not a necessary guide for time travelers, but a guide for rebels.

The next step is to teach you how to get a horse.

Qing Dynasty

Emperor Qianlong threw the underglaze red cup in his hand again. This sky curtain must have a grudge against the Qing Dynasty. They originally ruled the majority with the minority. This kind of video is just teaching people to rebel.

This is simply unreasonable.

Iron smelting developed very early in China. Iron weapons could be made during the Spring and Autumn Period and the Warring States Period, and the method of frying steel was already in use by the Western Han Dynasty.

[Later, the method of pouring steel was developed. It is said that during the Northern and Southern Dynasties, swords could already cut through seven layers of armor. The Tang Dynasty's Mo Dao was even more powerful, capable of shattering both men and horses.]

【So if you can get a craftsman, that's probably enough. 】

However, ancient technology can still be improved. The first aspect is the iron smelting furnace. Although the blast furnace of later generations had already appeared in the Song Dynasty, it can still be improved.

For example, you could add more air vents and blow air in like crazy. If possible, you could use a water-driven machine, but if the natural environment isn't suitable, you can only do it manually with a bellows.

[Another misunderstanding is about fuel. Using coal as fuel is not very good. Coke should be used instead.]

big man

When Liu Bang heard Tianmu mention the Han Dynasty, he laughed so hard that his back teeth showed. His Han Dynasty was not completely useless. At least there were still some technologies that were remembered.

"Xiao He, when you go down, arrange for the craftsmen to smelt iron according to the Tianmu method, and at the same time ask if this steel-frying method exists now." Liu Bang said with a smile.

"Here."

Tang Dynasty

The Tang Dynasty had already fully mastered the two technologies mentioned above, but Li Shimin and the officials of the Ministry of Works did not relax, as there must be technologies in later generations that they did not understand.

Even the slightest mention of it would be enough for them to study for several years.

Qing Dynasty

Surprisingly, Qianlong did not drop the cup in his hand. The Guangtie of the Qing Dynasty was very famous, and even the Westerners bought it, so this technology was something to be proud of.

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