"How do you know? Did you eavesdrop?" Yan Laoer asked nervously.

Yan Yu is so speechless, is she that kind of person who has no taste?

Can there be more basic trust between father and daughter?

She pointed to her little head.

"It's all here. Just now I saw Uncle Hu helping to mix a white powder, and I remembered it immediately."

The formula of soil cement with only a few raw materials is really easy to remember.

Of course, remember that the raw materials are not enough, the most important thing is the ratio.

Yan Yu didn't know how good Master Lu's recipe was, but what she knew was the result of countless people's improvement and summary.

It is also the common choice of many web writers.

"Master Lu should use clay, quicklime and gypsum."

She secretly motioned to her father to watch.

Yan Lao Er pretended to glance over casually.

Clay, there should be no doubt about it, it was brought back with the help of the boys in their village.

Lime could be seen too, only plaster, which he couldn't tell.

"How do you know it's plaster?" Yan Laoer asked curiously.

Yan Yu smiled like a little fox, "I don't know it, but Cui Langzhong does. Gypsum is also a kind of medicinal material. I went over and asked him to help me identify it."

Yan Er was convinced.

"It's that simple? Then why is Master Lu still covering it up so tightly? Wouldn't someone who is interested pay more attention to it?"

Yan Yu said: "My father, of course it's not that simple, the ratio is very important, and I doubt that Master Lu will add something."

"Add what?"

Yan Yu thought for a while and said: "I've seen people say that this kind of soil cement is still strong enough, but the frost resistance is poor, and the solidification is slow. If you want to solidify quickly, just add some Glauber's salt. Add some more adhesive and it should improve a lot."

A flash of inspiration flashed in her mind, and she said: "Father, this is Guanzhou, a border town. The plaster recipe for building the city wall is the best. I remember that in ancient times, glutinous rice was used to boil the slurry and stir the sand. It is very strong. Wait, let me Think about it, brown sugar, elm bark, camphor... the sap of camphor tree, hahaha, yes, that’s it!”

Yan Yu is too proud to be proud, look at our memory, and ask, who else is there!

If it wasn't for the wrong occasion, Second Yan would want to hold his daughter high.

That's awesome!

Better than Sambo!

He thought of the geothermal project that had suffered in Waterloo.

Asked his daughter: "Dabao, tell me, is the geothermal heat in our house right?"

Yan Yu looked at her father without a word.

"Father! Let's be realistic, geothermal heat... It shouldn't appear in the homes of ordinary people like us. If you ask around, the prince in Guanzhou, the royal family of England, may not be able to enjoy this blessing."

She wrinkled her small face, and said earnestly: "What can we do, father!"

Second Yan: ...

"The fire wall is very good, and it's also good to be on the fire kang." Yan Yu thought that he was about to roll on the fire kang, fried on both sides... he couldn't look forward to it.

"Is your prescription better or Master Lu's?" Yan Er Er asked.

"Of course it's me." Yan Yu replied.

"Then what should we do, replace his plaster?" If there is a good one, of course I want to use it in my house.

Yan Yu dispelled Yan's second thought with just one sentence.

"Glutinous rice boiled, brown sugar... Dad, that's not glue, it's all money!"

Yan's second son thought it was right, and the father and daughter happily decided to keep it as it was.

"But get rid of these two things, and we can try the others." Yan Yu was gearing up for a big fight.

"Earth cement is too useful. If it can be restored, no, it's enough for us. After the house is built, we still have courtyard walls. There is a stone flake floor in the house, and the courtyard can be leveled with cement.

By the way, there are toilets! Dad, let's not worry about the heat, the toilet is the key point! "

The importance of squatting in the pit was realized as soon as they walked through it.

As soon as the toilet was mentioned, Yan Yu said again: "There is also our self-produced 'fertilizer' to build a cement pond for them, Dad, the soil pit you dug is too shallow, let's learn from experience and dig it deeper next time. "

Second Yan: ...

He also said that he was entangled, at least the things he was entangled with were not stinky, but his daughter actually thought about these stinky things.

Yan Yu knocked on her head in frustration.

It's a pity that this brain is not fully functional, and I can't remember a lot of things.

Just like glass, brewing wine... these are all magical skills to make a fortune through time travel!

...

Yan Lao Er didn't have time to talk about it with his daughter, so he rushed to the field by the river.

When I reached the ground, I couldn't help sighing: Mother Rong—really—one is worth two!

The weeds are so neatly piled up.

All he had to do was light the fire.

Burning grass must be treated with caution, especially in lush vegetation.

The second son of Yan asked a few sons-in-law of the Song family to help.

Old Song’s family is also prosperous, but it’s the opposite of Village Luo’s family, Wang’s daughter.

The old man Song and the old lady Song are capable, the girl is good-looking and capable, looking for a son-in-law is unique, and we don’t talk about marriage, but after the young couple get married, they will live in our old Song’s house. If they agree, they don’t need any gifts.

The fact that there is no betrothal gift alone makes people from ten miles and eight villages flock to it.

Not getting married, not changing the surname, and eating rice from the old Song's family, there are too many people who are willing.

No, the three daughters earned back three sons-in-law.

The fourth son of the Song family was originally a single Miao Miao with a weak body. Since welcoming the three brothers-in-law, his body has become stronger, and he even brought a youngest to the Song family.

Xiao Wu of the Song family is one year younger than his daughter.

What is it called? Call wisdom!

Gathering three sons-in-law, what is the difference with Bai Caisan's son!

Yan Lao Er felt that he had to learn from others.

Enrich your experience.

First light a small fire, and then raise the grass up with a rake. Don't be impatient.

The fire started quickly, and the flames ran high.

There is no wind today, which is really a good day for burning grass.

The four of them kept controlling the fire to keep it from burning out.

The grass was still dry, and the smoke was billowing.

Yan Laoer ran a little farther to catch his breath, and then ran back quickly.

Mask masks!

God, he misses masks so much right now!

He didn't know how to cherish it when he wore it every day, and he didn't regret it until he didn't have to wear it.

The pain of being choked, whoever chokes knows.

If you give him another chance to burn the grass again.

He will definitely—make a mask first!

The three son-in-laws of the Song family went home to have lunch with their heads in disgrace.

Yan Lao Er thanked him.

The third uncle of the Song family is quite cheerful.

"Second brother Yan, you burn grass to greet me again."

Second Yan: ...

Also had fun.

Back at his homestead, Master Lu was leading people to sift clay.

The soil that has been sieved several times is finely formed into flour, and mixed with quicklime and gypsum according to a certain proportion.

Pour water and mud.

Then……

Master Lu really did as his daughter said, pouring water from two bamboo tubes into it.

Yan Laoer approached curiously and moved his nose.

Sweet taste.

It's brown sugar.

At this moment, Yan Lao Er felt relieved.

Master Lu's craftsmanship, his construction team, and the cost of blessing brown sugar.

There is a feeling of value for money.

Book a monthly pass after 0:00~

Book a monthly pass after 0:00~

Book a monthly pass after 0:00~

Hehehe~ I have said important things three times, and I will code another chapter at home, and post it in the middle of the night~(*▽*)

Dear friends, calculate the time in the text, what do you think of?

That's right, the family of three are too busy to forget~

Our platform is about to open again~

Looking forward to a wave~

Tickets fall freely like cow dung, the house picks tickets successfully, and I feel the joy of harvest in my heart, so I write fast, quack~

(`) than heart

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