He then turned his head towards Lao Xie behind him and said, "Don't waste those trees we just cut down. Go out and bring them back."

Those few pine trees were quite sturdy. Managing to survive in such extreme cold and heat is very rare.

Lao Xie nodded, took two people with him, got in the car, and drove out of the base.

......

In the sewer, Ding Jiu and several others, including Old Lv, were clearing out the silt and trash from the sewer.

Since the outbreak of Doomsday, this was the first time they had cleaned out the silt inside. Ding Jiu used a shovel to lift the silt from below, sweat dripping onto his arms. He took off his mask.

The smell down here was too intense, but wearing a mask all the time was really suffocating. Helplessly, he took it off to get some fresh air.

......

Second Outer City.

Li Hang, Zhou Ran, Old Qin, and others were sitting together, discussing issues regarding the iron fence and control circuits, among other things.

"If we place the control circuits in the sewers, they'll definitely get flooded. The wires need to be completely wrapped with materials. I remember Zhu Xiao had previously gotten some PVC-C pipes from the neighboring city, but I'm not sure where they are stored."

He Bing, after carefully listening to Li Hang's requirements and looking at the pictures on the iPad, said.

Generally, whether it was cooperative personnel or extra staff, any supplies and equipment they brought would be transported to the Inner City.

Over time, more and more things got accumulated. Some items, which Li Yu saw as particularly precious, were stored in an underground warehouse insulated against cold and heat.

And more items were stored in a large factory building constructed in the Inner City, where gathered items from outside were placed.

Actually, sometimes cooperative personnel would bring items not on the list for trade; sometimes materials that Li Yu and the others thought might be useful would be exchanged for food.

Ever since adopting the cooperation model, this warehouse accumulating various supplies had been expanded many times.

The food processing plant Second Uncle managed had been allocated an area from that warehouse for their use.

Zhou Ran also nodded and said:

"Yes, He Bing is right. If we need to bury this circuit in the sewer, PVC-C pipes are suitable. Moreover, this material has many advantages.

1. Good heat resistance: PVC-C hot and cold water pipes have good heat resistance and can be used in high-temperature environments. They were often used in chemical plants, refineries, and other fields before.

2. Strong corrosion resistance: It has excellent corrosion resistance and can be used in chemical environments like acids, alkalis, and salts.

3. High strength: It has high strength, capable of withstanding significant pressure and tensile force, suitable for pressure-bearing situations.

Additionally, this material is very light, making it easy and quick to transport."

Upon hearing this, Li Hang immediately stood up and said to everyone, "I'll go find them right now. You find a way to make controllable iron fences. My brother says they need to be more solid. They should at least be sturdier than before!"

After speaking, he ran towards the Inner City. While on the road, he happened to meet Second Uncle and Li Zhengping. After a brief explanation, he pulled them to look for the PVC-C pipes together.

Second Uncle, realizing how seriously Li Yu took this matter, also got earnest.

He immediately said, "Alright, I'll go with you. Zhengping, inform the factory to pause production temporarily, let's go together to find the materials."

His nephew held a very special place in his heart.

From the beginning of the outbreak, Li Yu started planning the farm stay and got them to come back.

Then, he led his wife and children back from afar with great difficulty, almost dying in Jiefang City.

If it weren't for his little sister spotting Li Yu and the others outside Jiefang City, he reckons he would have died long ago.

After arriving at the Big Camphor Tree Base, when he awoke from unconsciousness, he found his parents were still there, his older brother and sister as well!

From being on the brink of life and death and starvation in Jiefang City, waking up, he once thought it was a dream. Reality told him it was real.

Since then, his trust in his nephew was absolute.

Having seen the outside world's cruelty, having personally encountered robbery, injuries, and the deaths of loved ones, he knew all too well how right Li Yu's harsh methods were.

Though in his eyes, Xiao Yu had many incomprehensible traits, he never asked.

He cherished everything he had now, so he listened intently to Li Yu.

Not only him, but almost all of Li Yu's elders didn't put on airs in front of him.

At the very beginning, Li Yu's grandpa and grandpa set the tone: Here, Li Yu was in charge!

......

Seeing Second Uncle's enthusiasm, Li Hang didn't think much but ran with them towards the supply warehouse.

Li Hang used to tinker with all sorts of odd things. A few days ago, he had worked with He Bing and others to make a Zombie Generator, for which he had to dig out the materials himself, so he was quite familiar with this place.

Standing in front of the wide supply warehouse for a couple of seconds, he headed towards the slightly right-side factory door.

Clattering—

He opened the roller door with a pull, ran inside, and opened another sealed door.

To protect the various materials and equipment inside, two doors were set up.

After entering, there was a hall, filled with trusses. Li Hang searched one by one on them, where labels were stuck classifying the items behind them.