I joined the army for my father, and I took Hua Mulan to build infrastructure.

Taoist Kou and Cui Hao hit it off immediately, and the two hid in Cui's house and whispered, not knowing what they were planning.

Time flies by and it is already mid-January.

As the coal fermented, the people of Wei State also became very interested in this black stone. That is, the stove was too expensive. The sky-high price of ten taels of silver was not something ordinary people could afford!

Ye Nan has not been idle in the last few days of the holiday. She is taking Hua Erlang and Hua Sanlang to demolish the house...

Because someone was too lazy to do it, the wall-warming project started at the end of the holiday, and he even brought two younger brothers with him.

Ye Nan not only brought his younger brother with him, but he also ran into the camp yesterday to bewitch the two adobe captains. No, he had already arrived at Mulan Villa with several carts of adobe bricks.

"General, we are here!"

The two old soldiers have almost become useless since they became the weird official position of the adobe captain.

They play with mud every day, and people in the camp laugh at them for being children...

Then, the people who laughed at the two of them were enthusiastically drawn into the brick-making team and could no longer laugh.

Professional matters must be left to professionals. Ye Nan sat carelessly under the big tree in the courtyard and said with a smile: "It's just in time. I have already drawn up the design plan. After you read it, you can Construction has started.”

The two brick captains took the drawing and murmured as they looked at the cross-shaped hollow wall on the drawing.

"General, what does the hollowing out in the wall mean? The two humble men don't understand it very well. Please give me some advice, General."

These two people are the ones that Ye Nan plans to be the masters of, dealing with the evil-faced emperor. How can he not teach them with all his heart?

So Ye Nan pointed at the stove and said, "Look, if the smoke outlet of this stove uses this hollow wall to exhaust air, what effect will it have?"

The two of them looked at the red-hot iron smoke exhaust pipe and instantly understood the intention of their general.

The two of them said in shock: "As expected of General, why didn't we think of such a simple method?"

"This hollow wall is like an iron pipe chimney. The two sections close to the stove are incredibly hot, and they can also affect the hollow wall."

Another Brick Colonel shook his head and said: "Where is this? Look at the general's design. The cross-shaped wall is four feet wide and four feet long. Doesn't that provide heat for four houses?"

The more the two of them thought about it, the more they felt that the blueprint in their hands was an unprecedented and priceless treasure!

Ye Nan looked at the talents he had brought out with pleasure, nodded with satisfaction, and went on the road.

"Now that you understand, don't stand here. Practice your skills at my general's house first. Build this cross warm wall and show it to me. This can be regarded as a test of your progress during this period."

The two brick captains suddenly felt bitter in their hearts. What progress can be made with adobe bricks? Anyone can make this thing. General, I am afraid he is too lazy to use it on purpose.

Alas, people under the eaves have to bow their heads and do it.

Ye Nan stood in the courtyard and commanded the juniors in the family and the two brick captains, how high-spirited he was.

By the time A Niang walked out of the house carrying the note, she had already carried the adobe bricks into the house.

Auntie sat on the small bench where Ye Nan had been sitting, and supervised Ye Nan's move of bricks with her eyes... After all, she had done this kind of thing of squeezing the labor force of her children more than once.

The connection between Ye Nan's bedrooms was quickly demolished. Standing in the middle, you can clearly see the scenery of the four rooms, especially Ye Nan's room. The bed has been moved to the side near the warm wall that will be built soon. Already...

And the quilt was still in a mess and not folded.

A pot of sticky rice porridge has already been cooked on the earthen stove in the courtyard. After all, it is his own house. Ye Nan actually uses rice porridge and mud as ingredients. What a luxury!

However, the stickiness of the mud that comes out is astonishingly strong. If it is grilled at high temperatures, it will be comparable to the hardness of real bricks, and it will not collapse.

Ye Nan also learned this from the ancients, but while others used glutinous rice to build city walls, Ye Nan used rice, so the difference in effect is not big.

Under the leadership of two adobe captains, the walls of Ye Nan's house were demolished and repaired quickly. An hour later, the warm wall was repaired, and a chimney was built on the roof, with ventilation on all sides and at the top of the chimney. It was covered with two bricks to prevent rain from getting inside.

I have a ready-made stove at home. Just put it in the corner of the wall. The smoke outlet will just hit the gap where the smoke flows out of the wall. Then plug the gap with mud. A warm wall is completed!

Then Ye Nan waved his little hand, pointed at Hua Mulan's house next door and said, "You're all here, then help me build a warm wall next door according to this model!"

The two captains:...

Okay, it looks like I won’t be able to leave until I finish today, so let’s continue demolishing the walls and repairing them.

With this first experience, the two of them were particularly skilled at the work and repaired the warm wall of Hua Mulan's house in half an hour.

At this time, Auntie and Auntie Hua had already prepared lunch and laid out a large table of food!

Ye Nan led the two lieutenants to wash their hands in the wooden basin, and said enthusiastically: "You two have eaten before leaving. Also, remember to keep this matter a secret! No one can leak it to me before the emperor intervenes. , otherwise, you two will wait to be torn apart by those noble gentlemen."

The two captains knew the importance and nodded in agreement.

If the two of them really revealed that earthen stoves could replace iron stoves, those noble families would probably go crazy...

That money was wasted!

This is nearly ten million taels of silver. In this era, ten million taels of silver is a huge amount of money. The emperor's family before they became rich could not afford so much cash!

Thanks to Ye Nan, the Emperor's family had a very happy year this year. Large sums of money were sent to the treasury, and Tuoba Tao woke up from his dream with laughter.

There is a saying that soldiers and horses should go ahead with food and grass before they use it. With money, you can build armor and an army.

This winter, Da Sinong's family is not only producing stoves, but also secretly manufacturing armors!

After seeing the impact of the heavy cavalry, Tuoba Tao was really greedy. Now that he had coal and iron ore, two magical weapons for making armor, his heart began to completely agitate.

At sunset, Ye Nan's family had already gone back to their houses and started to sleep!

The stove was in my father's and grandma's room. They had the habit of getting up late at night, just in time to add coal to the stove.

Ye Nan moved the bed across the warm wall and leaned against it. From time to time, imitating Tuoba Xiang's desperate look, he stretched out his hand to touch the warm wall. It was very hot, and the quilt was also warm. How can I describe how comfortable it is.

Comfortable and comfortable.

The second update is here. Please vote, please vote, please vote. If you don’t have votes, it’s okay to give a rice.