Chu Nan sat on the big chair at the top, and there were two factions of guards standing on both sides, each of them was in good spirits, with a treasure knife on his waist, a strong hand in his hand, and his eyes were blazing.

"I have seen the Heavenly Fire Chief, the three of us are the elders of the Stone Tribe, on behalf of the Stone Clan, we are willing to submit to the Heavenly Fire Clan, please accept us." The three elders of Baishi saluted Chu Nan at the top, bent down, and waited for Chu Nan to speak.

But after a long time, he didn't hear any movement, Elder Baishi showed a wry smile, knowing that the other party would never agree easily, otherwise, it would be difficult to manage in the future, although the temper of the two people beside him was not irritable, but after waiting for so long, he couldn't hear the other party's response, he was a little annoyed in his heart, thinking about whether to break out and hurt people, but thinking of the stone giant who was shattered at once, he finally suppressed that anger, even if he was dissatisfied, he could only endure it.

"Well, get up." Chu Nan yawned lazily, casually threw a black piece of iron on the table, and muttered: "What kind of thing, I can't make a qualified barrel until now, when can I make a cannon?" How long will it take to unify the entire continent? ”

As soon as Elder Baishi straightened up, he heard Chu Nan's dissatisfied words, and they were all stunned, because they didn't understand what the other party said at all, although they heard every word clearly, but when they combined a sentence, they didn't know what the other party was saying.

"I'm sorry, hehehe, I'm not talking about you, okay, let's talk about your submission, tell me about your tribe." Chu Nan no longer looked at the model of the gun on the table, but looked at the three people standing below with interest.

"Our Stone Tribe has existed for nearly a thousand years, and it was once powerful, but then it went through a series of wars and slowly declined, and now there are about 120,000 people, with twenty-seven elders, three white witches, and one sage, and our chieftain...... Already dead, on behalf of the whole people, we express our willingness to submit to the nobility. Elder Shiraishi quickly explained the general situation of the Stone Tribe.

"Three White Witches, one Sage, twenty-seven elders, 120,000 people, well, not bad, I accept your submission, as for the specific details, I will send one of our elders and White Witch Wanmu to talk to you in detail, they can represent my meaning, I still have something, so I won't talk to you." After Chu Nan finished speaking, he and the three of them confessed, so he directly got rid of the tent, sat on the eagle horse beast, and flew towards Tianhuo City.

At this time, he is most worried about the manufacture of guns, if it can be manufactured, it can definitely change the current era, now it is just a primitive society, even if there are some awakened people, and have very powerful abilities, but under the fire, nothing is nothing.

Institute of Special Alloys.

Tie Niu is still carefully studying the alloy properties of different proportions, and making test products, and preserving them one by one, so that when they are used in the future, they can be directly configured according to the proportion.

Because the Iron Bull has been controlling the temperature to melt all kinds of metals and fuse them, the ability in his body has awakened for the second time unconsciously, and at this time, he can not only control the temperature, but also master the flames, and control the flames to rotate and burn around himself without burning himself.

The temperature can change at will from minus tens of degrees Celsius to more than minus 4,000 degrees, and he can also precisely control the shape of the metal to form various shapes, and these barrels are created under his ability.

It's just that this speed is very slow, Chu Nan also thought about letting Tie Niu cooperate with others to create some machine tools, but after testing it several times, it was not satisfactory, either there was a problem here or there, and many places could not hit the required accuracy.

The industrial level looks at the equipment manufacturing industry, and the equipment manufacturing industry looks at the machine tool, so the machine tool is the mother of industry, and the level of the machine tool represents the industrial level.

Chu Nan got off the Hippogriff Beast and came directly to the Alloy Research Institute, at this time, there were many people gathered in the research institute and were busy.

In the middle of these people is a brand new machine tool, the simplest machine tool, the machine tool for making gears.

"Leader, come and see, we have finally built a stable gear machine tool that can produce gears stably, and the blades are made of special alloys, which are very hard, can work continuously for a long time, and the stability is very high, you see." Shishi's whole body trembled with excitement, his goatee curled, and even a tear appeared in his eyes.

Iron Bull is still busy there, as if he is assembling a second gear machine with others, as long as it can form mass production, the industrial revolution will go much smoother in the future.

Soon a second gear machine appeared in front of me, and then connected to the steam power, began to test the machine, after some testing, the performance of the second machine is also super stable, able to operate for a long time, without small problems.

"Leader, Elder Stone led us to test hundreds of times, and finally summed up some experience, corrected the defects, and recorded the operation process one by one, keeping it as a file, and with the experience of making gear machine tools, we will make other machine tools, we will get twice the result with half the effort." Tie Niu's face flushed with excitement, and he stammered a little when he looked at Chu Nan as he spoke.

"Really? Very good, as long as you manufacture all kinds of machine tools one by one, and form a scale, it will be much more convenient for us to manufacture some precision spare parts and instruments in the future, and we can also produce a lot of machines we need, such as steam locomotives, with machine tools, we can further improve and upgrade, so that the steam engine can provide greater power, but the volume will be smaller and smaller, and it can even be installed on ordinary cars, you can imagine, once we get to that point, as long as we pave the road, we can get there quickly, By connecting the various places closely, our Heavenly Fire Tribe will become very powerful and become an inseparable whole. Chu Nan said a few words of encouragement.

He also understands that as long as he understands the tricks, it will be much more convenient to manufacture other machine tools, after all, this is the simplest machine tool, and has not yet developed to two-axis linkage, three-axis linkage machine tools, not to mention the development of electricity machine tools, everything has just begun, as long as the guidance is right, the future development of five-axis linkage, or even nine-axis linkage machine tools, is not impossible.

"Leader, we have not only manufactured machine tools, but also tested a lot of new alloys, their properties have changed greatly, which should be of great help to our future development, and I will show you next, please give your advice." Tie Niu led Chu Nan to another room, where there were many pieces of metal and iron, all of which indicated numbers.

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