Although Meixi has been practicing martial arts for many years, she is still a girl after all. The strength of her arms is limited and she cannot bear excessive labor.

In order to build a water truck, Chen Zhe simply went to Leatilla's camp to invite Clark over. In this way, Chen Zhe and Clark were moved together, and then he successfully built the water truck onto the river.

At noon, this spectacular waterwheel finally stood up successfully. Everyone was extremely excited to see this scene.

Leatilla was even more shocked and exclaimed: "Yes, Chen Zhe, you can make an amazing invention every week on average... You built a car a week ago, and you made a water truck a week later...

What are you going to do next week? Should you just build a power station?"

Chen Zhe smiled and shook his head, "It's not that exaggerating, and there's no need for me to build any power station on the island. The reason I want to build this water truck is entirely for production activities."

"By the way, I haven't figured out why you built a water truck..." Leatilla said, "Let me demonstrate it."

"No problem." Chen Zhe smiled, then turned to Yan'er and said, "Yan'er, let's start."

"OK."

Yan'er nodded obediently, then brought the vine basket next to her, which was full of the fruits of the tung tree that had been cooked.

Chen Zhe neatly poured the fruits of the tung tree into the oil cakes used for oil pressing, and then piled the oil cakes filled with tung oil fruits together and placed neatly under the rocker arm of the water wheel.

Finally, install the wooden hammer of the pressed oil cake on the water wheel and everything is done.

The river water drives the water wheel to rotate, and the water wheel drives the hammer at the end of the rocker arm to raise and hit it down.

The movement potential energy contained in the river water is extremely high, which leads to the strong force of the mallet.

Each hit is far better than Chen Zhe's arm strength alone. Therefore, after just repeated hits more than ten times, the oil cake filled with tung tree fruits began to seep out thick oil.

Seeing this, Leatilla finally realized it.

"So that's it... In this way, there will be endless lamp oil in your camp."
Chapter completed!