This heavy rain fell for three days in a row, like the beginning of winter, and the temperature in Laiyan City dropped sharply.

In the past few days, in addition to driving a carriage and taking Lena out to buy some alchemy items, Tang En has been shrinking into the system to practice his skills.

It's not just the heavy rain that's stopping Don from going out, it's the chaotic environment in Lai Rock City. According to Allen's words, the East City and the North City are better, the West City District has brief conflicts from time to time, but the South Port Wharf, there are fights almost all the time.

There was chaos in the city, and the garrison must be spinning, so Jihua, who Tang En wanted to infiltrate, could only be put on hold for the time being.

Knock, knock, knock......

There was a sharp knock on the door, and a sleepy-eyed Don opened the door, having been training in the space for a long time last night.

"I made it, I made it......" Lena jumped outside the door with excitement on her face.

"Ugh. What?"

"The washing machine, the washing machine was made out by me!"

"Well, yes, go ahead...... Uh, what? washing machine!" Don was shocked when he came back to his senses.

"Yes, you come with me. Lena pulled Don down the stairs.

At this time, there were several strange things in the open space on the right side of the backyard, a double wooden barrel, a square box with a handle, and a yellow rope in between.

"Is this a washing machine?" Don was confused, I've seen the wheel, the drum, and the mixer...... What is this?

Lena nodded and said categorically, "That's right!"

Donn took a few steps forward, well, this barrel is the inner drum of the washing machine.

"It's ......"

"This is the wave wheel you said."

"weishenme, I feel like bones?"

"It's a bone, but it's the sternum of the Gollummon, and it's very similar to the wave wheel you said. Lena said as a matter of course.

"Uh, okay, then this is ......"

"That's the gear you said. ”

"Cogs?" Don looked at the rows of things at the bottom of the barrel and was shocked, "It's teeth." ”

"yes, it's a beak's teeth, just like the gears. ”

Don Khan ...... Nima, this is really a veritable "tooth" wheel.

"What about this?" Donn pointed to the square box with the handle.

"It's a power plant!" Lena said proudly, looking up, "I read a lot of books to come up with it." There are two fixed haode gravitational balls. This gravitational ball is the result of a failed experiment by an alchemist, and is mainly intended for children to play with. Because as long as you put two together and stir them, they will have a strong attraction to each other. So I just turn the handles for a moment, stir them and give them a boost, and the two balls will attract each other and drive the gears inside to run automatically. ”

Lena said this excitedly, couldn't help but pause, and said randomly: "Then through this brute tendon...... Oh, it should be said that the tracks, and then drive the gears under the barrel to run, and you can automatically wash the clothes. ”

"Gravitational Balls, Brute Tendons, Teeth......" Tang En stroked his forehead, feeling a little messy for a while, "Uh, have you tried this thing?"

Lena shook her head, "No, I'll call you as soon as I get it." ”

"Then give it a try, practice is the only criterion for testing the success of an item. Tang En waved his hand, and for a while he had a sense of mission to promote the progress of Jishu in the other world.

"Well, I'll go get a dress. Lena trotted like she was going to rush into the house.

"No, that's it. Don took off his black robe and threw it into the barrel, then added some water to it.

"Who's going to start?"

"Come on, after all, this is your first alchemy item. Donn laughed.

"Hmm!" Lena nodded solemnly and took the handle. Take a deep breath and turn the ,...,