After carefully inspecting the cave for a long time,

Lu Bu then began to walk back,

When you go outside,

It was already two hours later.

Took two deep breaths of fresh air,

Lu Bu only felt extremely happy.

Turning his head to look at the three people behind him,

Lu Bu suddenly couldn't help laughing.

It turned out that several people were covered in black soot,

It's like a clay figure, and it's very embarrassing.

"Hahahaha."

The more Lu Bu looked at it, the more funny he felt,

Pointing to the three people, he said:

"Look at the three of you, hahahaha, it's so funny, Niu Er, look at you, in addition to your teeth and eyeballs, there are white places on your body, hahaha, I guess I can't find you when I go out in the middle of the night. Hahaha......"

The three of them were stunned and looked at each other,

Only then did I notice that each other was indeed as Lu Bu said,

But when he looked back at Lu Bu,

found that Lu Bu was no better,

A gray robe was nearly half black at this time,

And because of the sweat in the mine,

At this time, it seems even more embarrassed,

Zhang Da couldn't help but speak:

"Lord, don't laugh at me and wait, you're no better."

"Forehead ......"

Hearing Zhang Da's words,

Lu Bu's laughter couldn't help but suffocate,

looked at his body,

Sure enough, it's not too much different from the three of them,

The Lord and the servants looked at each other awkwardly,

Then there was a burst of laughter.

looked left and right,

Except for a few soldiers around the mine,

In the absence of anyone else,

Lu Bu pulled his legs and ran towards the bathing room,

He shouted loudly: "Run, whoever is the last to go in will rub the back of the others!" Hahahaha! ”

Four big men, laughing like children, ran to the bathhouse.

It's still steaming here,

However, Lu Bu felt unusually comfortable at this time,

Comfortably soak in the barrel,

I couldn't help but close my eyes and lean against the edge of the barrel,

Let out a few long breaths of relief.

"Master Zhang?"

A dark figure stood up in the barrel next to him,

Zhang Da's voice came,

"My lord, I'm here."

"Do you remember the plumbing system I just talked about?"

"I remember it clearly, I was still thinking about it, and the more I thought about it, the more feasible I felt."

Lu Bu said proudly:

"Hahahaha, that's naturally doable. I had another idea, with the plumbing system and the water switch, the interior of our bathhouse could also be improved. ”

"How does the lord want to improve?"

Zhang Da became interested when he heard this,

Got up from the barrel.

Lu Bu opened his mouth to explain:

"We can divide this bathhouse into several areas, the first area, the shower area, where the workers can stand and shower."

"Shower? How to take a bath when you stand there, and there are no barrels that are so big or high. ”

Niu Er's voice came from the other side.

He was clearly interested in the conversation as well.

Before Lu Bu could answer,

Zhang Da has already answered:

"It's easy to settle by leading a pipe to a high place, like a waterfall, and water can flow down from a high place. And because of the switch, not only can you control the water flow, but also adjust the water temperature, which is very good. ”

"Zhang Dajiang is right,"

Lu Bu opened his mouth and added:

"After the workers get off work, they first come to the shower area to take a shower and wash away all the dirt on their bodies. Then you can go to the second area, the bathing area, also known as the bathing pool. ”

"Soak in the bath?" This time, it was Zhang Dafa who asked: "What the lord said is that everyone bathes together in a big pool." ”

"Hahahaha, that's right, that's what it means."

"This ...... Not quite right, right? Zhang Yan also raised questions.

"It's all a group of big men, and it's very inappropriate, isn't it the same for bathing in the river?"

Lu Bu replied indifferently:

"Make the pool bigger and have two steps inside, or carve out some places to lie flat so that the brothers can rest while they bathe. Isn't it beautiful? Hahaha"

"General, but that kind of pool is not much different from this barrel, so why bother making that pool."

Niu Er interjected and asked.

Lu Bu then opened his mouth to explain:

"In the future, the scale of our mine will be bigger and bigger, and there will be more and more workers, if you use wooden barrels to bathe, there will be a lot of water, so that the hot water may not be supplied in time, on the other hand, if everyone prepares a wooden barrel, the barrel is too much and takes up more space, it is not as good as a large pool to save trouble, and lively. Just change the water every day and arrange someone to clean it. That's why it's important to shower before entering the pool. ”

This explanation, even Niu Er can hear it clearly,

Admiringly, he said:

"General Lu, you are really thoughtful."

"Hahaha, brothers work hard, we can't treat the brothers badly."

Lu Bu picked up a round object on the side,

Put it on the body to scrub the stains,

This item is called a bath bean.

It is mainly based on soybean flour,

At the same time, it is made with a variety of drugs,

This thing can not only be washed and cleaned,

At the same time, it can also moisturize the skin and prevent skin diseases.

This thing has appeared since the Three Kingdoms period,

It became popular in the Wei and Jin dynasties,

It is also recorded in Sun Simiao's "Thousand Golden Prescriptions" in the Tang Dynasty,

It's just that because it's too complicated to make,

And it's expensive,

This can only circulate between the nobility and the eunuchs.

Lu Bu's heart moved,

He asked:

"What do workers use to clean their bodies every day? Do you also use this 'bath bean'? ”

Hearing this, Niu Er hurriedly replied:

"General Lu said with a smile, this thing is very expensive, these are a few pills that you came here today, and we specially purchased them from outside. This is the first time in his life that the villain has used this object. ”

"What do the workers use to clean up on a daily basis?"

Lu Bu hurriedly asked.

"We usually use coarse salt, or honey locusts and so on. However, the stains in this coal mine cannot be washed with ordinary honey locusts, and most of us use coarse salt. ”

"Oh." Lu Bu suddenly agreed.

I thought in my heart: Although this coarse salt has a strong cleansing effect, it is very uncomfortable to rub on the body, and it may scratch the skin. It would be nice to be able to make soap, but I don't know how to make it.

Shaking his head, Lu Bu put these thoughts behind him for the time being.

When the four of them finished bathing,

Outside, the sun was already setting in the west.

This whole day has gained a lot,

found a lot of problems,

At the same time, there are many ideas that need to be returned to further thought,

Lu Bu didn't stay long,

Hurriedly left the Ugin Mountains,

Even the troops didn't have time to check.

When I got home,

Lu Bu found Diao Chan and Ding Yao's two daughters,

The two daughters are now pregnant,

The lower abdomen is slightly bulging,

When you walk into the room,

Hands gently on the waist,

With a happy smile on his face,

It's a different kind of style.

Lu Bu saw the current appearance of the second daughter,

Gently knocked on his head,

Secretly scolding yourself for being stupid,

I forgot that the two daughters were pregnant.

"Husband, you went to the Ugin Mountains to inspect for a day today, and you didn't rest, and when you came back, you summoned the two of us here, but is there anything wrong?"

Diao Chan asked lazily.

Since conceiving a child,

I always feel sleepy,

I've been resting for an afternoon,

I still can't wake up.

Lu Bu hurriedly got up from behind his desk,

Take two quick steps and come to the middle of the two ladies,

One hand gently holds the two girls,

As if holding porcelain,

He helped them to sit down.

Only then did Lu Bu speak:

"There are indeed some things, I went over there today and thought of a lot of ideas, so I hurriedly invited the two ladies here, but I forgot that the ladies were pregnant, and they really should be beaten."

While speaking, Lu Bu made a gesture to beat himself.

Seeing this, Ding Yao hurriedly opened his mouth to stop it,

Diao Chan grabbed Ding Yao,

rolled his eyes at Lu Bu,

Jiao Sheng said: "Don't sell well here, you should fight." ”

"Hey, hey, hey," Lu Bu curled his hand,

walked up to the second daughter with a shy face and said:

"I'm afraid that the two ladies are distressed, how dare they really fight."

"Hmph, Flim Flam."

Diao Chan gave Lu Bu a big white eye again.

Ding Yao saw that Lu Bu was deflated,

Secretly laughing in my heart,

But he also explained distressedly:

"Okay, sister, husband just wants to make us happy."

Turning his head, Ding Yao asked Lu Budao:

"Husband, what do you want to tell us?"

"Haha, it's still my Yao'er who loves me."

Lu Bu proudly kissed Ding Yao on the face,

It made the little girl's cheeks red.

After the joke, Lu Bu said:

"This time I went to the mining area, I found a lot of problems, and at the same time I had a lot of ideas, I want to communicate with you, there are many things I can't do in person, and in the end I have to entrust it to the two wives. It's hard work for the two ladies. ”

In the end, Lu Bu got up and solemnly saluted the second daughter.

Without waiting for the sable cicada to speak,

Lu Bu continued:

"First of all, Chan'er, do you know how to make soap?"

Diao Chan nodded suspiciously and said:

"Naturally, it will, handmade soap, it was popular for a while, and I learned some of it."

Lu Bu clapped his hands and said,

"That's great."

"Husband, sister, what are you talking about?"

Ding Yao was confused next to him,

Asked suspiciously.

Only then did Diao Chan realize that Fang had almost leaked his mouth,

I was a little stunned for a while.

Fortunately, Lu Bu saw the opportunity quickly and said:

"We're talking about a cleansing object in my hometown. When I went to inspect the coal mine today, I found that the workers used coarse salt or soap horn for bathing and cleaning their bodies, which not only did not work well for cleaning, but also easily bruised the skin. Although the bath beans we use on weekdays are good, they are not practical for the workers, so I thought of this. ”

Diao Chan's eyes lit up, and he said in surprise:

"yes, look at my stupidity, I didn't think of this before. And this soap is not only easy to use, but also very easy and cheap to make. If we can mass-produce it, it will be a lot of money. ”

"Can you still sell it for money?" Now it was Lu Bu's turn to be surprised.

"Absolutely." Diao Chan looked at Lu Bu's eyes,

Some rare and strange meanings,

Black lines appeared on Lu Bu's head.

Diao Chan then explained:

"The bath beans we use today are expensive raw materials, so they only circulate among dignitaries. But this soap is easy to make, and the raw materials are everywhere, and the production method is hee-hee. Once everyone uses it, they will definitely love it, so you say, will we make a lot of money? ”

After Lu Bu listened, his eyes lit up,

jumped up excitedly and kissed Diao Chan,

"Hahaha, you are worthy of being my God of Wealth, my good Chan'er, you are awesome!"

"Hmph, I hate it, it's this set again, flamboyant."

Although Diao Chan gave Lu Bu a big eye,

The mouth is very unhappy,

But the snickering look on her face betrayed her deeply.

"This is the first thing, then it will be entrusted to Chan'er. The other thing, which is very complicated, is that I want to carry out a large-scale transformation of the mining area. ”

"Transformation?" The two girls said in unison.

"That's right, transformation." Lu Bu nodded,

Then he explained:

"The mine is small now, and the coal production is too inefficient."

Diao Chan interjected: "This is also a matter of no way, our current technical capabilities are not up to it." ”

"Chan'er, what you said is not accurate."

Lu Bu nodded, then shook his head again and said:

"Although we can't reach many technical conditions today, we can still make significant improvements and upgrades by using some existing technologies."

Lu Bu turned around and took a large piece of parchment behind him,

This is after Fang just came back,

A sketch he made based on his own ideas.

Take this sketch,

Not to mention Ding Yao, who often comes into contact with engineering drawings,

Even the Diao Chan on the side frowned.

Diao Chan watched for a long time,

Finally couldn't help but speak:

"Husband, what kind of thing are you drawingists?"

I saw countless black lines drawn horizontally and vertically on that drawing,

And a mass of black smudges,

That's where Lu Bu painted the wrong place,

took a closer look at his masterpiece,

Lu Bu also felt a little embarrassed.

"Uh...... Just see, and I'll tell you about it. ”

Lu Bu blushed rarely,

Hurriedly spoke.

Spread the parchment paper on the desk,

Lu Bu explained to the two women seriously:

"My idea is this, to build two power systems, one water circulation system, one wind circulation system, and let these two systems work for us to improve the efficiency of the production of the whole mine."

Diao Chan is better,

These special nouns spoken by Lu Bu can be understood,

But Ding Yao was a little confused at the moment.

Seeing this, Lu Bu hurriedly explained to her again,

Fortunately, there is Diao Chan next to help explain,

That's when these terms are explained.

"In other words, use these two power systems to drive the entire mining area, where manpower is currently used?"

After Ding Yao understood, he immediately raised questions.

Lu Bu nodded, and then explained:

"It can't replace all of them, and we haven't reached that kind of technical conditions yet, as long as we can replace some of them."