Outside the warehouse.
A group of students and a drone were staring at Ren Yan not far away.
Ren Yan hasn't started work yet, but is constantly snatching things from shops near the warehouse.
Things like wooden boards, charcoal, large aluminum basins, etc.
Soon, a pile of them appeared at the door of the warehouse.
Only then did Ren Yan clapped his hands and looked at the students:
"Fumigation, as the name suggests, is fumigation and steaming."
"To put it bluntly, it's a sauna room that you use when you take a bath."
"The difference is that one is steaming people, and the other is steaming wood."
"One needs to keep pouring water on the charcoal, and the other can't move himself and has to let others do it."
"So, our ultimate goal is actually to build a sauna room."
“Let wood experience the warmth of the human world.”
"But after all, they are different in type, and the construction specifications used are also different."
"Just like the wood fumigation we want to make now, we just need to let it stay inside quietly and keep the temperature high enough!"
As he spoke, Ren Yan started to draw the design with a pen and paper.
The drawing is very abstract, with all kinds of messy lines, and it looks like a rough draft of the original painting.
But everything that is necessary is still there.
Students can also understand this picture easily.
From the pads used to lay the wood, to the material chamber for charcoal burning, to the water chamber under the wood, everything is clearly visible.
And the overall look is like a large cage, except that this cage is cylindrical.
The only thing that they couldn't understand was the thing on the "cage" that looked like a little man with two buns on his head, fluttering in the wind, and no one knew what it was used for.
But they didn't rush to ask, because they would know soon enough.
The moment the design was completed, Ren Yan started working with tools.
The saw bow that I thought was redundant before also came in handy at this moment.
Ren Yan was seen holding the saw bow in one hand and stepping on the wooden board on the bench with one foot. After finding the right angle, he started to work hard.
A sense of déjà vu of a skilled worker arose in everyone's mind.
They began to become more curious about what Ren Yan had done before becoming a teacher.
As the sound of friction between the wood and the saw bow was heard, Ren Yan produced pieces of wood of the same size one by one.
Soon, all the wooden boards became useless.
Ren Yan immediately arranged the wooden boards in a grid pattern and expertly fixed them one by one with a claw hammer.
Soon a pad was completed.
Afterwards, Ren Yan followed the same method and made a cylindrical shell with a movable opening on one side.
In order to make them fit tightly together, mortise and tenon structure is used at the joints.
The students standing by were amazed.
My teacher's skills are much better than theirs.
Netizens also felt that even if Teacher Ren were to do carpentry, he would definitely be a good hand at it.
Look at these smooth movements, it’s obvious that they were specially practiced.
But Ren Yan didn't care about these. After the outer shell was completed, he made a bracket.
The aluminum basin was placed on the bracket, and the charcoal was placed underneath. All the gaps between the two layers were blocked to prevent the charcoal from directly contacting the wood and causing fire.
Afterwards, both sides of the shell were soaked in water to give it a certain degree of fire protection.
As long as there is no possibility of fire in the first place, as soon as the water vapor comes up, the possibility of fire is completely zero.
After placing a small section of wood that he was going to shape into his own shape on the pad, Ren Yan lit the charcoal, stepped out, and at the same time closed the opening on the other side.
The fumigation work started.
"That's all."
Ren Yan clapped his hands and put his hands on his waist:
"Generally, the fumigation time for wood is 30 minutes, during which time we just have to wait."
After saying that, Ren Yan was ready to go back to the chair and spread his clothes again.
But Wang Bo pulled Ren Yan back, pointed at the bun-headed ball above and asked curiously:
"Teacher Ren, what is that thing for? You didn't even tell me~"
"Oh, that thing..."
Ren Yan raised his head and took a look. The originally obedient little ball began to shake up and down, pulling a small piece of wood to move up and down continuously.
"It's just a temperature control device, like the speed limiter on a steam engine."
"Let the energy in the cabin reach a constant state."
"The optimal temperature for fumigation is 56 degrees. If we don't intervene, the temperature of the steam will soar to 100 in a minute."
"This temperature can completely destroy the wood if you are not careful."
“So we have to put some restrictions in place.”
"In industry, people have special temperature control devices that can accurately control the temperature to 56 degrees."
"We don't have the conditions right now, so we can just show our appreciation. It's pretty much the same anyway. If it's not perfect, we can just adjust the time."
"If you find it inconvenient later, you can find a way to connect it to a thermometer."
“Although this is more troublesome, it is more stable.”
After he finished speaking, the students looked at Ren Yan in surprise and couldn't say a word for a long time.
They don’t understand why a teacher who seems to be very dedicated overall would be so lazy in some aspects?
Is it really because this thing is not that important?
Or is it that my teacher is really an expert at slacking off in all aspects?
At this moment, they suddenly felt that they couldn't understand Ren Yan again.
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