Due to the particularity of Moon City, in addition to those space workers who came to build Moon City, the first batch of earthlings who immigrated to the Moon City must also participate in the later construction of Moon City.

And just like the cities of the earth, this construction process is always ongoing, even if the original plan has been completed, the part that started to be built at the beginning is also time to be updated and upgraded, so it will continue to work.

So, construction-related workers and jobs, that's always in demand.

Even Dong Chen's group of the first batch of lunar remnants who moved in as experiments is the same, and some of them will do the work that matches the construction.

Just like Dong Chen, he drove a bulldozer.

As soon as Dong Chen and No. 1 went out today, they met Lian Ru, who was running over with a sweaty walk with devilish steps, and said, "Brother Dong, Sister Yiyi, you are going to drive a bulldozer again today?" ”

Seeing that it was Lian Ru who came, No. 1 just nodded and answered, while Dong Chen said, "Yes, it's our turn to work today, look at your sweat, how long have you been running?" ”

"I've already run half of it, and I still have half of it to run," Lian Ru said when he heard Dong Chen gasp in front of him, "The moon is good, but it's just that it's too bad to force exercise every day, it's simply the nemesis of otaku." ”

"Haha, it's good to exercise, otherwise it's not fun to have osteoporosis and muscle atrophy, by the way, what about Xiao Xing, don't you run together every day?" Dong Chen asked with a smile.

"In order to mobilize the enthusiasm of the movement, the community hospital has set up a first-place award, and this stinky boy has already run to the front, and he doesn't know what to wait for me." Speaking of Xing Chenjia, Lian Ru said that he was simply gritting his teeth, don't look at this kid's young age, but he can run really fast.

"Brother Dong, Sister Yiyi, I have to hurry up and chase it, otherwise I may have to contribute a point to that kid today."

"Alright, let's go."

Looking at Lian Ru, who was running away with devilish steps again, Dong Chen laughed again.

Due to the relatively small gravity of the moon, you must have a special posture to run on the moon, or you have to fall on your heels if you run according to the posture on the earth.

After a few days of exploration, everyone has a set of exercise postures that suit them, and the running method of practicing Confucianism is to stride and jump with jumps, and the posture looks funny, so every time Dong Chen sees him running, he looks like he has seen the devil.

Of course, Dong Chen's running posture is not very good-looking.

If you want to say that it is good-looking, it is still No. 1, her computing power is super strong, so she quickly adapts to the environment of the moon, which makes her run like the Earth, and even the way she strides looks more elegant.

After Dong Chen and Lian Ru said that these people will be more familiar with the gravity and environment of the moon after a while, they may be able to adjust their running posture and become good-looking.

However, it may also be that he is completely familiar with his demonic steps, and he can't change it if he wants to.

"Let's go, Bulldozer Goddess, let's go too, and then drive our bulldozers."

When Lian Ru left, Dong Chen beckoned No. 1 to get into the smart car, and then went straight to the construction site.

Fortunately, No. 1's holographic projection was not here, and it was only a guard robot that was controlled, otherwise Dong Chen would definitely be able to see No. 1 roll his eyes.

Speaking of this bulldozer, Dong Chen is still to blame, he wants to drive the bulldozer to wander the world on the moon, and No. 1 is now his guard, so it is naturally around him, so he can only choose this.

No. 1 still remembers that when she chose this profession that day, the people at the scene looked at her, and by the way, she also had an extra nickname: the goddess of bulldozers.

and Dong Chen's deliberate salutation every time.

If it weren't for the laws of intelligent security that didn't allow her to hurt Dong Chen, Dong Chen would definitely be full of money by now.

And the bulldozer they're going to drive, it's not the bulldozer on Earth, it's just because it looks like it's functional, and then people give it another name.

In fact, what they are pushing is not simple soil, all of them are minerals and fuels, which can be used in the lunar construction plan of the Arc Group.

The Moon has more reserves of rare metals than the Earth, which is already known to many people, especially in resource-rich areas, where the shovel is full of minerals.

There are hundreds of known minerals on it, and several of them are still not found on the earth, which determines its important position in the development of human civilization.

There are three main types of rocks on the moon, the first is the lunar sea basalt, which is rich in iron and titanium; The second is plagioclase, which is rich in potassium, rare earths and phosphorus, and is mainly distributed in the lunar highlands; The third type is mainly breccia composed of 0.1~1 mm cuttings particles, which contains rich metal mineral resources such as chromium, nickel, magnesium and silicon.

Taking iron as an example, the 5 centimeters of sand on the surface of the moon alone contains hundreds of millions of tons of iron, while the entire lunar surface has an average of 10 meters of sand. Iron on the surface of the moon is not only unusually abundant, but it is also easy to mine and smelt. Because the iron on the moon is mainly iron oxide, as long as the oxygen and iron are separated, such a technology is naturally not a problem for the arc group.

In addition, there are methods of making cement and glass from lunar soil and rocks. In addition, on the surface of the moon, the content of aluminum is also very rich.

These mineral resources and their industrial products are greatly needed for the Arc Group's lunar construction plan.

Once their production catches up, the cost of the group's moon construction program will be further reduced, and it can even feed back the group's other construction projects, sell them to other countries on Earth, and so on.

In addition to these mineral resources for construction, there is also an important energy fuel that has just been put into use a few days ago, that is, helium-3.

The total reserves of helium-3 in the world do not exceed 100 kg, and most of them are formed by the decay of tritium in nuclear warheads, even if the helium-3 of tritium decay in deep-sea gas wells and volcanic gas is added, the world can only obtain 10~20 kg a year at most.

This "output" is stretched thin even for scientific research, and it can be used as fusion fuel to generate electricity.

Equivalent to the scarce reserves on the earth, helium-3 reserves on the moon are huge, at least 1 million tons of helium-3 embedded in the surface of the moon, as for how much, one of the tasks of the lunar base of the arc group is to constantly accurate this number, these lunar soil only need to be heated to the right temperature, more than 90% of helium-3 will be released.

It just so happens that the Moon is also an excellent place to "smelt" helium-3, where the environment is high vacuum, low gravity, high temperature, and large temperature difference, which is just right to heat the lunar soil and separate helium-3.

However, with so many reserves and such good conditions, scientists all over the world can only covet them, because they ...... Lack of mastery of core technology.

Still haven't mastered both.

The first is that controlled nuclear fusion cannot be done, and the second is that low-cost lunar flight capabilities are not possible.

But on the side of the arc group, it is a model of mastering the core technology, and the core technology mastered is still ...... A lot.

Controlled nuclear fusion technology is no problem, and low-cost lunar voyages are no problem.

Even the core production area has been mastered, and the smelter is built directly on the moon, next to the resource-rich area.