Duan Lang carefully observed the scrap steel and quickly found out the reason for the smelting failure.

Temperature!

The temperature does not reach the required height, and it is very unstable, so the carbon element will exceed 5%, and the harmful elements will seriously exceed the standard!

"Take me to see your Lubanmen smelting room, perhaps, Duan can help you adjust it. ”

Lu Qianshou rolled his eyes speechlessly, Holy Lord Duan, are you too arrogant, right? You are indeed very strong, terrifyingly strong, but steelmaking and cultivation are completely different things!

However, Lu Qianshou didn't dare to say this, so he could only obediently lead the group towards the smelting room.

The closer to the smelting room, the higher the temperature, and Duan Lang couldn't help but wipe the beads of sweat from his head.

Lu Qianshou was stunned, the cultivation of the Duan Holy Lord was so amazing, why didn't he block the heat?

Li Hongru and others 'know it' and admire Duan Lang even more, what is the unity of knowledge and action?

is obviously a supreme boss, but he is immersed in the experience of mortals, and a little heat can make him sweat.

Crunch, Lu Qianshou opened the door of the smelting room.

A wave of heat hit, Duan Lang frowned, forcibly held back the scorching breath, and walked into the door.

The smelting room is very large, with thousands of square meters, and several furnaces are melting steel.

Hundreds of shirtless Lubanmen disciples were busy working non-stop.

Seeing Lu Qianshou, the disciples saluted one after another, and Lu Qianshou waved his hand, signaling them to continue to be busy.

Duan Lang raised his legs and walked towards the nearest smelting furnace, and he found that this smelting furnace was different from the smelting furnace on the earth.

The smelting furnaces on the earth use all kinds of high-energy fuels, but around the smelting furnaces in Lubanmen, Duan Lang did not see any fuel, not even the most ordinary coal.

Duan Lang asked a little strangely, "Lord Lumen, why is there no fuel around the smelting furnace?"

Lu Qianshou was stunned, this kind of problem, three-year-old children know it, right? You don't even know this, and you are ashamed to help us adjust Lubanmen?

It's hilarious!

Of course, Lu Qianshou didn't dare to express his doubts, and answered truthfully: "In our Heavenly Seal Realm, there is abundant earth fire energy, so there is no need to use fuel." ”

Terrestrial heat?

Duan Lang was stunned for a moment, and soon realized that the geothermal heat in Lu Qianshou's mouth should be natural gas.

Duan Lang finally understood why the temperature of the smelting was not up to standard, and it was not very stable!

Natural gas contains various alkanes, as well as hydrogen sulfide, carbon dioxide, nitrogen, water vapor, a small amount of carbon monoxide, and trace amounts of rare gases.

In modern times, natural gas must be purified to remove impurities.

However, Lubanmen does not have the technology to purify and remove natural gas impurities, and directly uses natural gas, resulting in insufficient combustion value.

In addition, because the number of impurities is large, and each unit is different, the temperature is unstable!

Finding the crux of the problem, Duan Lang smiled slightly: "Master Lumen, I found the problem, it is easy to solve, you wait for me for a while, and I will go back to Mangdang Mountain." ”

Back to Mangdang Mountain?

Lu Qian's hand was flustered, Mangdang Mountain is thousands of miles away from Lubanmen, and it takes five or six hours to go back and forth, and the fastest flying boat will take five or six hours.

This Duan Holy Lord should have taken the opportunity to escape, right?

Definitely, yes, he must have found that he couldn't adjust and didn't want to be embarrassed, so he excused himself and ran away!

"Holy Lord Duan will go slowly, Xiao Lao will not send it, and Xiao Lao will immediately go to receive the elders of the Wanqian Immortal Dynasty. ”

Duan Lang looked at Lu Qianshou coldly, what does this old man mean?

He is the Holy Lord of the Ancient Duan Family! Even if this Holy Lord is only obtained because of his special nature!

"What does Lord Lu mean by this? Leave me, the Holy Lord of the Ancient Duan Family, and turn your head to receive the elders of the Ten Thousand Thousand Immortal Dynasty? Could it be that in your heart, my Holy Lord of the Ancient Duan Family is not even comparable to an elder of the Ten Thousand Thousand Immortal Dynasty?"

Lu Qianshou's face turned pale with fright, and he quickly shook his head.

"No, absolutely not! Mangdang Mountain is thousands of miles away from Lubanmen, and even if you take the fastest flying boat, it will take five or six hours to go back and forth! Xiao Lao took advantage of these five or six hours, which is enough to send away the elders of the Ten Thousand Qianxian Dynasty!"

The word 'dispatch' was used well, and Duan Lang's face softened slightly.

"Lord Lumen, it won't take that long for this Holy Lord, at most a quarter of an hour, this Holy Lord will come back. ”

Lu Qianshou smiled bitterly: "This, okay, Lu will wait for the Holy Lord Duan for a quarter of an hour!"

"Great Elder, you come with me, and the others wait here. ”

"Yes!"

The two walked out of the smelting room quickly, and saw the Luban Square, which covered an extremely wide area, Duan Lang's face suddenly changed greatly, not good, he got rid of it!

It takes a quarter of an hour just to cross Luban Square.

"Great Elder, do you have a small flying boat with you?"

Li Hongru was stunned for a moment, and quickly realized that Gongzi said that it would take a quarter of an hour to go back and forth, and he couldn't waste too much time on the road, but he didn't carry a small flying boat with him.

That's okay, though.

"Childe, I'll borrow a small flying boat. ”

"Be quick. ”

"Yes!"

Sou!

Li Hongru teleported to a small flying boat in mid-air, and directly revealed his identity.

"I am Duan Hongru, the great elder of the Ancient Duan family, this flying boat, our Ancient Duan family has requisitioned it, do you have any opinions?"

The person who piloted the small flying boat was just a second-rate sect elder, and when he heard the name of the Desolate Ancient Duan family, his frightened soul fell.

"There is no opinion, it is the glory of our triad to be able to requisition the flying boat by the Huanggu Duan family. ”

"Well, you go down. A quarter of an hour later, the original flying boat was returned. ”

"No, no. The elder of the Triad Sect waved his hand in fright, jumped over, and jumped off the flying boat, in front of the Desolate Gu Duan family, it was not easy to save his life.

Sou!

Li Hongru drove a small flying boat and came to Duan Lang, and Li Hongru made a gesture of invitation to Duan Lang.

Duan Lang nodded with satisfaction, jumped into the flying boat, and jumped onto the flying boat.

Sou!

The flying boat was fleeting, and soon arrived at the apron of the flying boat, and landed directly on the purple flying boat.

If someone else landed an ordinary small flying boat on the purple flying boat, the purple flying boat would definitely be extremely angry and directly bomb the small flying boat into slag.

However, in front of Duan Lang, Zi Yu Feizhou didn't dare to blow up his hair at all.

Duan Lang's mind moved, and the purple flying boat directly teleported to the halfway point of the west peak of Mangdang Mountain.

The photon defense system of the courtyard was activated, however, it did not activate because Hatsune detected the master's breath.

"Great Elder, can you pilot the flying boat and let the flying boat hover over the courtyard and the laboratory?"

"Yes. ”

"Okay, Purple Gangway Landing!"

Zizi ......

The super immortal weapon at the stern of the purple flying boat was activated, and the purple gangway was lowered.

Duan Lang quickly got off the purple gangway and said loudly: "Hatsune, come here!"

Hatsune walked on her short legs and ran over quickly: "Master, what's the matter with finding Hatsune?"

"Let's go, go to the laboratory with the master immediately!"