"Brother Yong, are you up now?" Song Yong, who was sleeping soundly, was suddenly woken up by a shout from outside the house.

When he woke up, the first reaction in his mind was:

Isn't my brother's biological clock accurate, I overslept again this morning?

However, he soon sensed that something was wrong, because like a kitten in the most comfortable position, Gardenia still slept in his arms, and did not get up and leave.

In normal times, the health commissioner in charge said that he would never stay in bed every day.

With such doubts, Song Yong glanced at the location of the window.

Unlike the rest of the tribe, the windows of Song Yong's exclusive No. 1 wooden house were not made from a single piece of wood.

It had to be propped up with a stick to let in the light from outside.

Once you put it down, it's no different from a wall.

The window of Song Yong's house is nailed to the top of the window with a large white plastic bag, which can not only be propped up, but also have a good light transmission effect.

Admittedly, such tattered and shabby windows are extremely rare in the countryside of the modern plane.

But placed here in the primordial era, it is still a proper black technology, a black technology that is the envy of countless dirt buns of the Gray Rabbit Tribe.

I guess they think this is already the highest standard of living after the development of society!

Of course, such a scene will soon become history after Song Yong finds a way to expand the passage of time and space.

Because he was already planning to bring a roll of thickened plastic mulch with him next time he came, the kind used to build greenhouses in the countryside.

At that time, all the cabins should have a bright window.

At this moment, under Song Yong's observation, the brightness coming from the window was just the glow of Mao Mao, all of which proved that it was not his biological clock that failed, but that the six-fingered guy got up too early.

"Don't get up, you can go back to sleep!"

After rubbing his eyes and whispering to Gardenia, who was about to get up, Song Yong began to put on his clothes while yawning.

In the primordial plane in September, the temperature in the morning is already very cool.

In order to keep warm, Song Yong temporarily added a long-sleeved shirt to the short-sleeved T-shirt, and of course, he did not forget to cover the blanket carefully for Gardenia.

After opening the door, Song Yong saw six fingers waiting outside the door.

When he saw the pair of bloodshot eyes in the eyes of the little old man with six fingers, he couldn't help but ask:

"I'm going, you won't have slept all night, will you? ”

Although a pair of eyes were bloodshot, there was not only no trace of tiredness on Liuzhi's face, but a look of excitement like chicken blood.

He first smiled in his mouth, and distinguished one sentence from Song Yong:

"Brother Yong, look at what you said, where can people be so hypocritical, they just haven't slept all night, and they can't say that they will die of exhaustion so badly. ”

Then, Six Fingers' emotions became excited again: "Brother Yong, I was staring at the slaves with those white stones, they were all smashed to pieces last night, and now I should be able to start making refractory bricks, right?"

"Let's go, let's see. ”

After saying this, Song Yong walked to the craftsman area......

After grabbing a handful of white powder and feeling the fine particles in it, Song Yong was very satisfied with the results of Six Fingers and the others in one night.

With such a degree of delicacy, it is completely enough to make refractory bricks.

In particular, after he accidentally found a few baskets of kaolin in the corner of the warehouse in the craftsman's area, he became more and more confident in the refractory bricks he made.

Because of this thing, it is more resistant to high temperatures than the yellow clay he originally intended to use as a bonding material.

"Where did you get these things? Remember which tribe sent them? ”

Pointing to the baskets of kaolin, Song Yong asked the six fingers.

The six fingers, who had been closely following Song Yong all along, gave their own answer after a little recollection:

"It seems that a small tribe called Yanling brought it to trade salt, and the thistle didn't want to deal with them, but then he saw that such white soil was a bit rare, so he changed a small jar of salt to them. ”

After finishing speaking, Six Fingers said nervously:

"Looking at the happy looks of those guys, are these things useless, are we losing money? Really, since we know that we have good things, we dare to trade any rags. ”

As soon as he heard this, Song Yong was a little speechless.

Not to mention the fact that others carried such large baskets of heavy objects on their backs and walked in the dangerous mountains and forests for several days, the good effect of this thing in refractory and porcelain production alone was worth a small jar of table salt.

For this reason, he can only go on like this:

"Well, next time they continue to carry this kind of thing, they should take it all! Remember to tell Ji that next time they give someone two small jars of salt. ”

The crushed quartz powder and kaolin, after adding water, were repeatedly beaten, and finally processed into refractory bricks the size of red bricks with wooden frames.

These things, which can only be called blanks at present, were put in the sun and began to be exposed to the sun.

According to the secret book, the refractory bricks made of kaolin as the main material have a melting point of 1800 degrees, which is more than 200 degrees higher than the melting point of iron ore which is only 1535 degrees.

Therefore, for the next attempt of iron-making in the earth blast furnace, Song Yong has considerable confidence.

The refractory brick blank that has just been pressed out of the wooden frame is not immediately ready for use.

When Song Yong was young, at that time, his own family built houses in the rural areas of Hunan Province, and many of them still burned red bricks by themselves, in order to save a little more money.

Based on the experience from there, Song Yong knew that it was the current weather.

It takes at least three days to let the rough of these refractory bricks be exposed to the sun and air-dried before they can be used and fired with confidence.

Because I couldn't bear to look at the little old man with six fingers, he continued to be tormented for more than 20 days.

Song Yong decided to stay a few more days, and after the successful iron production of the earth blast furnace, he would return to the modern plane.

So, while waiting for the refractory bricks to dry, Song Yong seized the time to cultivate at night, and was busy dealing with various small problems in the tribe during the day.

In short, it's a little bit of time, and it's not wasted.

Finally, the three days finally passed in the torment of the six fingers.

Once again, the sky had just dawned, and after Song Yong was woken up by the six fingers again, Song Yong checked the refractory bricks that had almost hardened in place, and issued an order that the blast furnace could be rebuilt.

It is also the reason why it can make perfect, but in half a day, Liuzhi and others used refractory bricks as furnace to build a beautiful earthen blast furnace.

After another day and night, in the smoke of a small fire in the stove, the earthen blast furnace completed the air-drying ahead of schedule.

By this time, the ironmaking had finally begun.

On this day, except for all the high-ranking tribal officials, without exception, they all put down their work to witness this historic moment.

Even Han, who was far away in the canyon and was doing the guarding work, dared to come back after hearing the news.

Outside the artisan quarter, there were dozens of hunters, heavily armed guards.

It can be said that even a big-headed fly, without Brother Yong's consent, would not be able to enter this heavily guarded area.

For a while, the air in the entire Gray Rabbit New Village became solemn.