Jiayi placed a piece of copper armor removed from the copper cow in front of him. There were no magic array patterns on the copper armor, and it didn't matter if it was destroyed.

In front of Jiayi, there were Jiayi's friends and others standing, and they were observing the experiment that Jiayi was about to conduct.

Jiayi grabbed a handful of emery from the bucket on one side, used the help of these emery, and then built a magic model, gathered a stream of water from his hands, brought all the emery into the stream, and then shot towards the copper armor in front of him.

The water flow of the injector is very fast, and Jiayi is close to each other. Almost no one can see clearly the water flow and shoot onto the copper armor. The water flow is not thick, but very thin, like a thin blade, cut onto the copper armor in front of him.

Only a "angang" sound was heard in the water flow. After a few seconds, a buzzing sound was heard, and the entire copper armor was shot through by the water flow, cutting a crack. Jiayi slowly moved his arm and slowly divided the entire copper armor into two pieces.

Jiayi raised his head proudly and said to the others: "How is it? Isn't it very sharp? I call it a waterjet."

Yanxi was surprised. Although the water was surging and had extremely strong destructive power, it never felt sharp. Only this time did he truly realize that the power of water was much stronger than he once thought.

"But it takes a while for your spell to take a long time. No one will stand there and let you cut for so long." Chester said.

"On ordinary people don't have such thick copper armor. As long as they are hit, they will immediately become two sections." Jia Yi retorted.

In fact, the biggest weakness of this spell is that it is like the space blade, which cannot attack remotely. After the distance is far, the water blade shot out is not easy to maintain its posture because the water flow is very thin and easy to disperse. However, the cutting ability is very powerful, like a saw, while the space blade is like a sharp knife.

Last time, Mado reminded Jiayi that there was a space blade spell on his bracelet, but he had forgotten it. But since he had already begun to build the current spell, Jiayi did not give up.

You can't show your fear and let people know that you have forgotten the spells on your equipment, although Maggie and the others already know this.

Maybe it's for his last stubbornness?

There is still a lot of room for improvement in this spell. In order to ensure the cutting effect, the current water blade needs to add emery as auxiliary casting material. The auxiliary material can be removed in the future and constructed directly through spells to turn the current water-based spell into a mixed spell of water and soil. In this way, there is no need to bring spell casting material.

However, the construction of mixed spells is much more difficult than that of ordinary spells.

In addition to the waterjet, Jiayi has been mainly making his own magic lathe recently. Now, the first generation of prototypes has been successful, so he is waiting for Eunice and the others to come and then equipment and try it out.

......

......

Eunice and the others came later than Jiayi thought. He thought 7 or 8 days was enough, because there was a airship to the imperial capital to the academy. Although the distance was long, it only took three days. But when Eunice and the others came, half a month had passed.

Although people always say that they take a flight, the airship takes off and lands in the place near Beishuicheng, which has a large space there, and Eunice and the others are also the academy that takes a boat from Beishuicheng.

Jiayi stepped on a flying skateboard under his feet and slowly slid to the gate of the Valoca branch of the college. Outside the chamber of commerce, Eunice and the others were already waiting.

Jia jumped off the skateboard, hooked his foot, lifted the skateboard into his hand, entered the chamber of commerce, and handed the skateboard to the waiter on one side to save. Although he already had the storage bracelet, he still tried to avoid using it in public.

Although it is good to be cautious, it is a bit of a waste of time.

When he met Kayi, Selena took the lead and said, "Kayi, did you just skateboard? Why did it seem like you were flying by yourself?"

"Yes, it's still a trial model. It will take a while before it will be launched. Why are both of you here?"

Jiayi was a little curious. Although he asked for a reliable person to come, preferably one of Selena and Eunice, he didn't expect that both of them would come.

"We all want to see what good things you have, so we all come and take a look." Yunice said.

Originally, she only sent her daughter here, but because of the kitchen knife, she delayed a while and asked Fog to solve this problem, at least on the surface.

However, this time took a lot of time, and after the banquet for Fog, even the original things of the Chamber of Commerce became much smoother for a while. When I saw that I was no longer busy, Eunice came with Selena.

Selena was more interested in Jiayi’s flying skateboard just now: “Jiayi, do you still have the skateboard you just now? How about giving me one?”

Jiayi shook his head: "This is the test model, it has not been improved yet. I will give you one after it is improved."

Recently, Jiayi and their flying skateboards are very eye-catching. Originally, Jiayi didn’t like to use skateboards very much, and felt that this thing lacks the value of transportation and is not as convenient and labor-saving as a bicycle. However, with magic power, Jiayi thinks that flying skateboards are indeed much more convenient. Moreover, it is also convenient to find problems and improve them by using them more yourself.

Many people know that Jiayi and the others opened a store and then went to ask, but unfortunately there was no result, which led to some people who wanted to buy skateboards being hesitant. Unfortunately, at least in recent months, Jiayi has not had the idea of ​​launching a new skateboard.

Even seniors with strong hands-on skills started to design their own room. Many times this is a creative issue and the technical requirements are not strong. Haven’t you seen any new features appear on other machines immediately after Apple’s new phone comes out?

But so far, no one has been able to successfully create a flying skateboard.

Jiayi and the others originally thought that it was time to start reducing the price of old skateboards and clear their inventory, but unfortunately, their output was limited and there was no inventory to clear.

......

He brought Eunice and the others to his laboratory, and Jia Yi lifted a piece of felt cloth in the corner.

Under the felt cloth, a square machine was exposed. There were many gear lever structures on the surface of the machine. The upper part of the machine was a workbench with a drill bit on it, and a screw behind the drill bit was sent.

However, in Eunice and the others' eyes, this machine looks a bit strange.

"It's this? What's the use of this?" Selena stepped forward and touched the machine, and also used her hand to turn the gears, and rotated it with the drill bit in front.

Jiayi stretched out his hand to pull Selena away: "This is a magic stone powered lathe, a machine that can automatically process mechanical parts, which can greatly improve efficiency."

"How to improve efficiency?"

Seeing the two of them with confusion on their faces, Jia stepped forward and took out a magic stone, put it into the energy warehouse of the lathe, and then started the lathe.

In an instant, the lathe made a buzzing sound, and the gears of the lathe began to rotate, driving the drill bit on the workbench. Under the workbench, there were also a conveyor belt. Jiayi took out a piece of copper plate and put it into the grid of the conveyor belt. The copper plate was brought to the front of the drill bit, and it was cut into gears one by one after another after a while.

The cut gears fell from the conveyor belt and fell into a basket next to them with a jingle. Jia put down the copper plate piece by piece, and then turned into gears one by one. Although the automaticity is not high, the speed is indeed fast.

Selena took a step forward and picked up a gear. The edges of the gear were very regular and neat. They felt bright edges and corners with their hands, and some residual heat. Because of cutting, the edges seemed to have been polished.

This looks very different from the gears she has seen for making pendulum clocks. Although the size is similar, it is more regular and has a simplicity and beauty that she cannot describe herself.
Chapter completed!