On May 22, the day after the meteorite fell, this morning, Lu Chen got up and began to prepare materials to make heaters, but now it is a bit more than worth the loss if it is directly manufactured with nanocores, so Lu Chen is ready to upgrade the 3D printer in the workshop first. Lu Chen looked at the upgrade interface

"Industrial-grade 3D metal printers

Printing range: Metal

Power: 10 kW

Transformation direction: industrial-grade 3D printer - composite 3D printer

Retrofit Attributes:

Print range, metal, polymer

Power: 15 kW

Transformation Cost: 100 Energy Points

After Lu Chen selected, he confirmed the manufacture, and after a while, a nano worm nest was created.

Then Lu Chen came to the workshop, put the nano worm nest on the printer, only to see that the silver-white nano worm nest suddenly turned into running water and began to integrate into the printer, when all were covered, the nano worm nest began to extend, and after a while, it occupied half of the size of the workshop, and after a while, the shape stabilized, and then the silver-white liquid began to gradually become solid, Lu Chen looked at it and estimated that there was still half an hour, so he went out to wash up first and then come over to see.

Half an hour later, Lu Chen came to the workshop and found that the printer had been transformed, and what appeared in front of him was a closed processing equipment with a great sense of science fiction, just like a small machining center, but not as many equipment as in the machining center.

Lu Chen looked at the processing equipment in front of him, thinking that it was worthy of being a creation of advanced civilization, that is, a cow.

Immediately opened the manufacturing interface, ready to see what things could be made, but found that the manufacturing interface was blank, Lu Chen saw this and thought about it, and found that he had to import the drawings.

Lu Chen then took out a USB disk to import the drawings, checked the manufacturing interface, and found that the manufacture of a small heater requires about 50KG of metal materials, as long as the metal materials are put into the raw material inlet, the inside of the printer can dissolve into metal powder by itself, and then read the drawings for manufacturing.

THEN LU CHEN STUDIED IT AND FOUND THAT THE PRINTER COULD PUT UP TO 100KG OF RAW MATERIALS, SO ITEMS OVER 100KG COULD NOT BE MANUFACTURED FOR THE TIME BEING, BUT NOW THE SHELTER IS NOT BIG, THE SMALL EQUIPMENT IS ALMOST ENOUGH, AND IT CAN BE UPGRADED LATER.

Then Lu Chen transported 100KG of metal raw materials from the warehouse, put them into the printer, and then chose to manufacture a small heater, the printer showed that the manufacturing time would take 4 hours, and Lu Chen set up two pieces to see how to strengthen the shelter.

There are many manufacturing drawings in the nano core, but these drawings are optimized after Lu Chen got the nano core, and used the nano core to download the scientific and technological information on the Internet, or belong to the science and technology of the planet, most of the drawings can be manufactured by the earth's technology, but it is not as good as the nano core to be directly manufactured, after all, it is nano-level processing, and the processing accuracy is different, for example, the gear processing accuracy is different, and the service life and use accuracy will also be different.

Now Lu Chen wants to strengthen the shelter, after all, the volcano has erupted frequently recently due to meteorites, and it will be accompanied by aftershocks from time to time, so it is imperative to improve the earthquake resistance of the shelter, after all, even the shelter has been shaken, so it is useless to say anything else.

"Special nano hive manufacturing cost: 100 points of energy, 1000KG of metal

Description: The specially made nano worm nest, after the set range, can enter the wall and the foundation, and transform the steel bar in the wall and foundation from the nano level, strengthen the density, strength and toughness of the steel bar, and strengthen the wall solidity and increase the wall hardness. ”

Lu Chen saw that the energy was sufficient, and chose to make it, and then after the manufacturing was completed, he put the nano worm nest on the ground, and after activating it, he saw the silver water flowing inside the shelter, and when it covered all the walls, ceilings and ground, it gradually submerged into the interior until it disappeared, and then Lu Chen took the nano core to scan the entire shelter, showing that it was being reinforced, and the estimated completion time was 1 hour.

When he was done with this, it was almost noon, and then Lu Chen thought about it and found that there were many things that he couldn't do for the time being, so he went to study first.

。。。。。。。

At the same time, netizens on the forum who were ready to trade with Lu Chen began to prepare trading materials.

In a group of mountains, there is a hidden shelter at the foot of the mountain, the internal space is much larger than Lu Chen's shelter, there is a small plantation inside, and there is also an orchard planted in a small valley on the mountain, this is the original home of the fruit farmer, originally the fruit farmer's family planted an orchard, and when the catastrophe came, a shelter was opened up at the foot of the mountain, because it was a grower, so it still had a small asset, so it was built larger, and considering that the orchard was outside, A small plantation has also been opened up inside for safety, just in case.

At this time, the fruit farmer Li Zhi went out of the shelter and began to collect fruits in the orchard, and after loading three sacks, he loaded them into a Wuling god car, ready to trade in the afternoon, but now Lu Chen has not given him the address, so he can't go for the time being, but Li Zhi also sent a private message to Lu Chen on the forum, just waiting for Lu Chen's reply.

……

In a large compound, building materials are placed everywhere, cameras are everywhere around the courtyard walls, and there is a large warehouse in the courtyard, which is the home of the infrastructure maniac.

Xu Jian, an infrastructure maniac, is in the building materials business at home, and his family is rich, and he doesn't want to go to the official shelter to suffer, so he also scattered most of the family property to build a shelter, which is located below the warehouse, and at the same time has done enough security facilities, set up a large number of monitoring in the courtyard, plus infrared alarm devices, and set up a half-meter-high high-voltage power grid on the courtyard wall, and because of the money, solar panels were built on the top of the warehouse and in the blank space of the courtyard for power generation, and two wind turbines were also set up, so there is no need to worry about electricity, and a high-voltage power grid can be established.

At this time, Xu Jian was loading some building materials and metal ingots into a small truck with his father, which was also used to trade with Lu Chen.

After Xu Jian loaded all the things into the car, he said to his father:

"Dad, you can go and rest after putting this batch of supplies in the car, I'll go down and contact the rice worm later, and see when I can trade tomorrow, and I'll drive over when the time comes, you are at home, don't open the door when anyone comes, even if it's an acquaintance."

Xu Guoguo replied: "I know, I'll go down first, your mother's meal is probably about to be ready, you will come down to eat when you are busy, and determine the trading location with your friend at night, trade early and rest assured"

"Got it, Dad! Go down."

Xu Jian replied, and then watched his father walk into the shelter and began to check the vehicle to make sure it could be used normally tomorrow.

……

There is a two-story house next to the highway with a signboard "Wang Xinyi Vehicle Repair Center"

This is the home of mechanic Wang Xinyi, the upstairs is the home of the resident, the lower floor is used to repair vehicles, and there is a small yard at the back, which is a small parking lot, with several cars, an SUV, an off-road, a pickup, and an accident trailer.

Wang Xinyi is an auto mechanic, and he is also a master of modification, many rich second-generation players like to come to him to change their cars, so they also have a lot of wealth (sure enough, private shelters are not affordable for ordinary people to play), so it also cost a lot of money to build a shelter under his own home, and the interior extends to the courtyard, so the space is still very large (at least these three netizens are richer than Lu Chen), when the disaster came, Wang Xinyi chose to be with his wife and children, plus far away from the city, but there is nothing to lose.

Now Wang Xinyi is in the yard on a pickup truck for maintenance, this pickup truck was used to pull goods before, not long after it was bought, it was tens of thousands of yuan, I didn't expect it to come without a few disasters, and it was idle at home, now I can use this car that is not used much to exchange for three heaters or feel that it is more worthwhile, after all, after the disaster comes, there will be a lot of cars abandoned on the road, just pull a few back to assemble a car out, but the heater itself will not be made, maintenance is fine, if you make it yourself, there is no drawingSecond, there is no processing equipment, so it is also like exchanging things at your fingertips, after all, in another month, the heater is a hot commodity.

"After the heater is replaced, one will be placed on the second floor and the first floor and the underground shelter, so that it can be guaranteed that it is not cold, and it can also be exchanged with rice worms for other equipment later, and he can manufacture these sophisticated things over there, which means that he is engaged in manufacturing, and it is estimated that he is still a leader in the industry."

After Wang Xinyi checked the car, he got up and sat next to him to rest, thinking that Lu Chen had a lot of manufacturing capacity, and now he had a good relationship, and if he lacked any equipment in the future, he could also exchange with Lu Chen

"I can't say that rice worms can even make guns!" Thinking of Lu Chen's manufacturing capacity, Wang Xinyi couldn't help but think about it.

Standing on the side of the car and thinking about it, he put four new tires in the body, an automatic pump, and a little fuel, and asked if he could trade another heater when he was ready to trade the day after tomorrow, after all, it would be good to have one more spare one.

……

After waiting for the alarm clock set by Lu Chen to ring, Lu Chen got up from the computer and went to the workshop to take a look, the heaters had been processed two, after Lu Chen took these two, he took out 100KG of metal raw materials from the warehouse and put them in the printer, let him continue to work, and then contacted the fruit farmers on the forum and sent the address to the fruit farmers privately, so that he could come over to trade.

……

After receiving the news, the fruit farmer here looked at the time, it was about four o'clock in the afternoon, looked at the address, and found that it took half an hour to drive to Lu Chen's side, an hour back and forth, plus half an hour required for the transaction, and he could get home when it was almost dark, say hello to the family, and let the family take care of the family, and then set off.