Liao Fengmao responded respectfully.

"let's start."

Fang Yuan said indifferently.

Liao Fengmao saluted respectfully.

Turn around and walk to the front of the steps, facing the workers below.

The workers all looked at the steps, their eyes full of enthusiasm.

"start!"

Following Liao Fengmao's order.

The workers who have already lined up are pushing the bucket carts to the factory.

They entered from one entrance of the factory and exited from another, in order.

When I came out, the bucket truck was already filled with a mixture of cement, sand and small stones, and then poured the mixture into the flat road.

The height of the mixture on the waiting-level road was about [-] centimeters, and seven or eight workers walked in with tools to pave the mixture.

In a short while, a small section of the cement road has appeared.

"Inspector Fang, is that the concrete road?"

Li Shimin looked at the small section of cement road that appeared and asked excitedly.

His mood was high again, he became excited again, and finally he could see the concrete road he was thinking about.

"good."

Fang Yuan nodded, smiled lightly.

"After it's done, will it be as strong as the road in Wuling County?"

Li Shimin asked again.

He saw that the cement was flowing when it was transported by bucket truck.

Moreover, when the cement is poured into the flat road, the workers can also use tools to smooth it out.

It's amazing, it's amazing, what was originally a fluid object becomes so solid after drying.

"Yes."

"I can do it in three to five days."

Fang Yuan said with an undiminished smile.

"How is cement made?"

Li Shimin became even more excited.

He was very curious about how the cement was made.

With such a thing, the road of Datang in the future will extend in all directions.

At the same time, the management of the Yellow River dams should not be a problem, it is a great cause for a long time.

"It's a secret."

Fang Yuan shook his head, his smile grew stronger.

The emergence of cement roads can be said to be very difficult.

When he was in Wuling County, he studied with Juzi and the others for three years before it appeared.

At that time, Fang Yuan only knew that the main components of cement roads were gravel, sand and cement.

Naturally, the difficulty lies in the cement!

Anyone who has studied chemistry knows that the main raw materials of cement are limestone, clay and silica.

Limestone is simple, just look for it.

Clay is not difficult, you can still find it if you look hard.

Silicon dioxide is more difficult, but it can still be solved, just replace it with quartz.

But after the main raw materials are found, the manufacturing process, configuration ratio, temperature requirements, etc. are all big problems.

After three years, three full years of research, the cement was officially launched!

What kind of hardships they experienced, only Fang Yuan knows.

But to be honest, it is still somewhat different from the cement of later generations, and the quality is not so good.

But Fang Yuan is already very satisfied, at least in this era it is enough, it can also be used to build a house.

After the concrete road is built, Fang Yuan will consider building a community and so on.

"You bastard!"

"Can I go in there and have a look?"

Li Shimin glared at Fang Yuan.

But not angry, after all Fang Yuan said it was a secret before.

Then he pointed to the entrance of the factory, where the workers entered to load the cement and came out.

"Whatever you want, but it's very difficult and dangerous. I'm not responsible for your safety."

Fang Yuan smiled lightly.

That's not where cement is produced.

It is a place where water, cement, sand, and small stones are stirred and mixed.

"You are not responsible."

Li Shimin immediately became interested.

He wanted to see how cement was made.

With Li Junxian by his side, he was not worried about danger.

Just when Li Shimin was about to leave, Princess Xiangcheng stopped him.

"Father, don't go!"

Princess Xiangcheng shook her head and said firmly.

There are so many people there, not to mention dirty.

People come and go, what if something unexpected happens?

"Well, sir, I don't suggest you go either."

Li Junxian rarely spoke.

According to his observation, there are too many people there and it is not safe.

And it's inside the house, the situation is unknown, if there is an ambush, two fists can't beat four hands.

"Ok."

Li Shimin looked back reluctantly.

Both his daughter and the guard persuaded him, so he didn't insist anymore.

And he thought that since Fang Yuan said that cement is a secret, there should be nothing he wants to see there.

During the conversation, the concrete road was paved for a long time.

With a lot of people and a lot of strength, it will be able to spread to Ji Rufeng's factory in the south of the city tonight.

"Zhang San, turn around and arrange for the state officials to be on duty to patrol tonight."

"Whoever is found to intentionally damage the concrete road will be fined 200 yuan and imprisoned for one month."

Fang Yuan suddenly thought of this, and summoned Zhang San to give instructions.

"Yes."

Zhang Sangong said yes.

Then let people pass the order down.

"Boss Li, just walk around?"

Fang Yuan invited.

He came to preside over the start of work.

Work has started, it's almost time to leave.

Before leaving, Fang Yuan wanted to take a look at their workmanship.

"it is good."

Naturally, Li Shimin would not refuse.

He wanted to get closer to the concrete road to see clearly.

So the two set off, followed by Princess Xiangcheng and others.

Fang Yuan and others walked along the cement road for a long distance.

Li Shimin watched the cement road being built with his own eyes, and felt very satisfied, as if watching the birth of his own children.

After walking for about a stick of incense, Fang Yuan and the others were a little tired, so they didn't continue walking, they got on the carriage and returned.

Passing by Du Miaoyan's mansion, Fang Yuan let them get off the car.

After a few words of politeness to each other, the carriage continued to return to the Governor's Mansion.

As soon as he got off the car, before entering the governor's mansion, Zhang San called Fang Yuan to stop.

"Zhou Zhou, it seems that someone is following Ms. Wang, do you want to pay attention?"

Zhang San pointed in the direction of Du Miaoyan's mansion and said.

Fang Yuan looked, and saw Wang Shiyu's carriage starting from the gate of Du Miaoyan's mansion, following her carriage, a carriage followed at the corner.

During this time, Fang Yuan already knew that Du Miaoyan lived not far from the Governor's Mansion, and also knew that Wang Shiyu often went to Du Miaoyan's place.

Fang Yuan was about to say don't worry about it, but a gust of wind blows, the curtain of the carriage behind is blown open, Fang Yuan saw Pei Yonghui sitting inside.

Ever since he slapped Pei Yonghui last time, he seemed to have settled down, never going out again, and never playing tricks in secret.

So much so that Fang Yuan, who was already very busy, didn't continue to attack him.

"Let's keep up..."

"No, call a few experts, and I will follow up personally."

Fang Yuan pondered for a moment, then said calmly.

But then he thought that Wang Shiyu was kind to him, and he happened to be free, so he got on the carriage and followed.

Fang Yuan followed.

After going around and going around, he finally left the city.

Once out of town, there are fewer people and cars.

It seems that because the official road is not easy to drive, the car in front entered a small road.

This makes the originally few passers-by become even less crowded.

Suddenly, the driver of the front carriage drove in a hurry and drove the carriage into a remote jungle.

Pei Yonghui's carriage also started to speed up at this time, and quickly followed.

Fang Yuan's carriage was the last one, far away to avoid being discovered.

Seeing this, Fang Yuan ordered to follow quickly.

Before the person arrived, Fang Yuan heard Wang Shiyu's impatient voice.

"Pei Yonghui, I won't like you, please don't bother me anymore!"

This was Wang Shiyu's voice, and his tone seemed very impatient.

"Shiyu, I really like you."

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