After living on a desert island, they all plotted evil against me.

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But just judge from intuition and common sense.

Zhang Liu could roughly guess that such a flame temperature would be somewhat unsatisfactory, so he silently increased the intensity of his hands.

When Zhang Liu pressed hard on the handle of the manual blower.

Zhao Yiran also kept picking up pieces of charcoal and putting them into the iron-making furnace.

And the iron-making raw materials are replenished inside at the rate of ten pieces of charcoal and one piece of pyrite.

Song Shuyao's water feeding operation encountered obstacles at this moment.

Mainly because Zhang Liu was afraid that he would have to go to the toilet after drinking too much.

But he also enjoyed Song Shuyao's service of wiping sweat from his forehead.

Just when the three of them thought they could continue like this.

Then the shifts are replaced.

When the iron smelting was finally completed.

Along with the wooden stick in Zhang Liu's hand, there was a crisp sound of "Boom...".

It's just that the rope made of rattan skin broke directly.

And his fingers that were pressing down steadily immediately touched the shell of the hair dryer.

His nails happened to get stuck on the calcined earthenware shell, and there was a grinding sound that made people's teeth sore. Zhang Liu suddenly grimaced in pain and was about to burst into tears.

But right now, he was not in the mood to cry out in pain, nor did he have time to hold his hands in his hands to ease it.

The temperature inside the iron-making furnace will never wait.

Remove the broken rope.

Zhang Liu held the central wooden stick of the blower between his hands and began to rub it back and forth.

There was no need for him to ask.

Song Shuyao, who was wiping his sweat, immediately said, "I'll get a new rope."

I have had the experience of many failed attempts to turn wood into fire.

She knew very well how tiring it was to rotate manually like this.

So when Song Shuyao saw Zhang Liu's flywheel design, she secretly admired it in her heart.

She, Teacher Zhou and others had never thought of it before.

Soon the new rope was brought back by Song Shuyao.

Just in case.

Not only did she bring the remaining seven sticks from Bamboo House No. [-].

He also asked Zhou Fang, who had already picked up the wood and was making lunch, to help him knead more for later use.

After getting the new rope.

Zhang Liu, whose palms were rubbed until they hurt, no longer used the wooden board as a pressing handle.

Instead, the rope is directly looped around the top end, making it a simple rope pull structure.

In this way, the durability of the entire rope is obviously improved.

Just now, he had already observed it secretly while rotating it between his palms.

The part where the flywheel rope breaks is not in the middle.

It's the position where the wooden stick is tied.

In other words, the rope was broken.

Without saying any more, Zhang Liu continued to control the quadrilateral blades inside to rotate while holding both ends of the rope with both hands.

Waves of wind containing oxygen are continuously sent into the iron-making furnace cavity amidst the whine of the rotating blades.

At this moment, inside the iron-making furnace, the main body of the pyrite, which was originally dark yellow and looked like a gold nugget at first glance, has turned into a shining red color. At a glance, it looks like a bit of extremely burned charcoal.

The sedimentary rock wrapped around it is sent air again and again with the blower, and thus begins to decompose under the oxidation and smelting of the charcoal.

It is not the decomposition of melting.

The melting point of sedimentary rocks ranges from about [-] to [-] degrees. Depending on the composition of the minerals in them, there are different melting points.

Zhang Liu's simple "iron-making furnace", which is only 1.5 meters high and is not even a blast furnace, can never reach the terrifying temperature of two thousand degrees that can directly turn iron ore into molten iron.

But the burning temperature of charcoal itself can reach about [-] degrees.

In the case of a closed iron-making furnace and oxygen is fed from time to time to assist combustion.

Its maximum temperature reaches over 1000 and there is no problem.

Therefore, in the outer layer of the pyrite, there is already some red scum like powder that is blown away with the air that is sent in again and again.

And after they are mixed with charcoal ash in the airflow.

At present, the gas that is constantly emerging from the mushroom-like "cap outlet" of the iron-making furnace has changed from a simple black charcoal color to a gray-black color.

As the progress of iron-making continues.

Zhang Liu, Song Shuyao, and Zhao Yiran were already covered in sweat.

Zhao Yiran, who was in charge of putting the charcoal, was extremely careful now.

Because just by putting your fingers near these gases, you can already feel the extremely hot heat.

So now she is using branches to pick up large pieces of charcoal, and then constantly putting it in through the opening.

Zhao Yiran was too lazy to pick up the small pieces of charcoal at the moment.

Although she couldn't see what was going on inside the iron-making furnace.

But Zhao Yiran can also judge from the fact that he keeps putting out charcoal, but the hole is never full, and he can tell that the charcoal consumption rate inside must be very alarming.

So her priority target is large pieces of charcoal.

"Zhang Liu, drink some water."

As the "Human Blower Replacement Tool Man".

Song Shuyao has been waiting for the other party to complain that he is tired.

But now lunch has been delivered by Zhou Fang and others.

And two ropes were used.

But the boy in front of him still kept pulling and pulling repeatedly without stopping.

So she had no choice but to pick up the water cup and feed him water.

"Well, Shuyao, please replace me, I can't do it anymore."

This time Zhang Liu didn't take a sip of water and continued working. He reached out to catch the water glass Song Shuyao handed him. He looked at the other person and said.

You know your own physical strength best.

Feeling the soreness in his arms, Zhang Liu understood that this was his limit, and he needed to rest well.

Ironmaking is by no means a temporary thing, and it is not something that one can resist alone.

After handing over the task of pulling the flywheel rope to Song Shuyao.

Zhang Liu held the water glass and looked at Zhao Yiran, whose hands were completely black from touching the charcoal. Then he asked, "Zhao Yiran, do you need a replacement here?"

"I don't need to..." Shaking her head slightly, Zhao Yiran whispered: "Can you call me the same as Ayao?"

between speeches.

A blush appeared quietly on her fair cheeks stained with small pieces of smoke dust.

This is a little girl's inner concern about intimacy.

If it is allowed, you will be extremely happy and joyful.

4Chapter 17 You can only have ten husbands a day!

"Content."

Zhang Liu smiled slightly, and then immediately changed the name he used.

Ever since the heart-to-heart talk with Zhou Fang.

He has already thought very clearly about this matter.

Now that I have accepted the girls' feelings for me.

Then you must take the initiative.

Instead of forcing every girl to do things that are forced to take the initiative.

What's more, I also received someone's first kiss before...

Thinking of this, Zhang Liu's eyes fell on Zhao Yiran's lips.

Among the five girls who kissed the day before yesterday, this one was the most "restricted".

Looking up at Zhang Liu who was soaked in sweat, Zhao Yiran, who was also sweating crazily due to the high temperature, asked: "I'm a little tired too, Zhang Liu, are you going back to rest?"

"Well, prepare to go back to Bamboo House No. [-], then wipe yourself and rest."

Put down the bamboo tea cup.

Then he simply wiped his hands with the clean curtain cloth placed next to him.

Then Zhang Liu picked up a piece of roasted taro sprinkled with salt and put it in his mouth to chew.

Feeling the satisfaction coming from his mouth, he nodded with satisfaction.

The taste is generally quite good.

Because it is placed next to the iron-making furnace.

Until now, the taro pieces are still slightly warm and not cold in the mouth.

Song Shuyao and Zhao Yiran had already eaten lunch when it was delivered, and Zhang Liu was the last one to eat dinner at the mountainside shelter.

After eating roasted taro, I drank a glass of plum water.

The satisfied feeling in his stomach made him sigh in relief, and he also had the idea of resting.

When Zhang Liu turned around and was about to leave, he saw Zhou Fang walking over carrying five or six newly braided ropes.

I saw him standing up and turning around, and his hands had been wiped clean.

Zhou Fang immediately knew that the other party planned to take a rest.

So she held the five ropes in her hand and ran a few steps forward, walked up to the three of them, and asked: "Is there any place where I need to rotate?"

"Well, I plan to go back and take a rest. Please, Teacher Zhou, please prepare for the shift here." Zhang Liu wiped the sweat off his forehead with the back of his hand and then said.

"Row."

Without saying anything else, Zhou Fang took over the other party's work.

She seemed extremely reliable at the moment.

Just master the principles.

Ironmaking is not essentially a troublesome job, but rather a matter of time and effort.

After all, to put it bluntly, it means setting fire to melt things.

The work that Zhou Fang started immediately after coming over was not to help Song Shuyao pull the rope.

Instead, he helped Zhao Yiran push all the charcoal nearby.

It is convenient to put it into the iron-making furnace.

At this moment, we are inside Bamboo House No. [-].

Qin Ruoshuang is weaving ropes.

Next to her, Xiang Lingying and Gu Qingrou were sleeping clinging to each other.