The next day, in Xiyang City, Liu Feng and Mina had just finished breakfast and got into the carriage to the scientific research department.

"Tread, tread..."

Today, Liu Feng and Mina's itinerary is confidential, because the two are going to visit the workshop where black powder is made.

At present, there are only a very few people who know gunpowder, and Mina is one of them.

Although she knew the existence of gunpowder, Mina did not know its power and terrifying degree, and Liu Feng did not plan to expose this cross-era product too early.

So, Mina is also a sensible person who knows what to ask and what not to ask.

"Tread, tread..."

Soon, the carriage stopped in front of the scientific research department, and after Liu Feng nodded to the saluting soldiers, he brushed his face and entered the scientific research department, and finally came to the deepest part of the scientific research department.

This is an open field, the ground is full of soldiers, there is only a small cement house in the middle of the open field, and there are no other buildings around, only a lawn.

Originally, this place was originally a big pit, but later Liu Feng asked people to continue digging along this pit.

Finally, the foundation was laid, an underground research room was built, and after filling it with soil and planting grass on the ground, it was impossible to see that there was a secret research room underground.

And here, is the place that Liu Feng used to develop gunpowder, the surrounding area is open enough, the first is for secrecy, and the second point is because it is not easy to be approached and lurk in.

On the ground, twenty-four hours a day, there are several groups of soldiers patrolling, and there is no chance for people to come close in the open space.

As soon as someone appears, in this open field, they will be seen at one glance, and the next moment they will be directly surrounded by soldiers.

The entrance to this underground research room is the small concrete room. There were dozens of soldiers guarding around, and the cement house had no windows, only a gate made of stainless steel, and a large lock locked, which would not be easily opened, and only those with Liu Feng's warrant could enter and exit.

Liu Feng brought Mina here, and the soldiers guarding the door quickly saluted.

"Open the door."

"Yes." The soldier responded respectfully, took a key from his body and opened the lock.

"Click..."

Then two more soldiers stepped forward and took out the key, and the three of them slowly pulled the door open, this is for safety, so the thickness of the gate is a few centimeters, and it takes the keys of the three people to open together.

Liu Feng calmly walked in with Mina, there was no room, only a staircase leading to the ground.

"Tread, tread..."

Liu Feng took out the flashlight prepared in advance and walked underground, only the sound of footsteps echoing.

The stairs were not deep, and soon it was a passage, and as we continued to walk forward, another door appeared, guarded by four soldiers.

"Open the door." Liu Feng said in a deep voice.

"Yes." The soldier responded that the door would be lighter, and the two would open.

Behind the door are two rooms, one of which has a wooden sign on it and says a wardrobe, while the other is completely enclosed.

At the door of the closed room, there were four special forces guarding, holding Tang knives with serious faces, and after seeing Liu Feng come to salute, they were still guarding the door.

Liu Feng nodded to the four and led Mina into the closed room, where he saw eight researchers busy on the workbench.

They were all dressed in linen clothes, and they were not allowed to bring anything about iron into the laboratory, this was for safety, and the items and materials used in the entire research room were all woodwork.

Mina looked at everything inside in amazement, wanting to ask something, but thinking of the seriousness that came along the way, and finally suppressing the curiosity in her heart.

The appearance of Liu Feng and the two attracted the attention of these eight people, and they all put down their work, with a smile of respect and awe on their faces.

These eight people were found by Liu Feng for Mina, they are congenital or acquired dumb, and they cannot read, which is also what Liu Feng wants, in order not to let the secret of gunpowder leak out.

As for why they were so happy, it was because Liu Feng had promised to take care of their families, and their monthly salary here was two silver coins, which was why they were happy.

Of course, the price is that after the black powder comes out, they will not be able to leave this laboratory for a long time.

Their later lives will be limited. For example, build a courtyard in Xiyang City and let them live in it to avoid too much contact with the outside world.

They know this, but they don't care, because they fancy the salary of two silver coins a month, two silver coins a month, so that their families can live well.

This is also the reason why they were selected by Liu Feng, because their families are poor and urgently need money, and before they were selected, they were observed and tested for a long time, and it turned out that they were suitable for this job.

"Hard work." Liu Feng smiled slightly.

The eight people immediately waved their hands, indicating that they were not hard.

The food here is very good, and there is meat in every meal, which is also the welfare that Liu Feng gave them, so that they are willing to stay here and work for him.

"How much gunpowder has been made?" Liu Feng patrolled in front of their workbench.

The eight people had a hint of embarrassment on their faces, and quickly took Liu Feng to the corner, where two wooden boxes were stacked, and the gunpowder that had been recently made was inside.

"Very good, continue to develop, pay attention to discipline." After Liu Feng saw the black powder, he nodded with satisfaction.

He wondered if he would take part of it to build roads, or take it to open mines.

Then Liu Feng looked at the process developed by the eight people, nodded with satisfaction, and took Mina out of the black powder manufacturing room, returned to the ground, and went to the next place to inspect.

。。。。。。。。。。。。。

"Two more,( ̄▽ ̄). Ask for support. "_

Feilu reminds you: three things to read - favorites, recommendations

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