Chapter 329 Breaking the Door

The heavy rain washed the ground and poured into the car through the gaps in the door, causing water to accumulate.
"I can't live here anymore..."
Bifang, wrapped in oilcloth, rushed back to the campsite in the heavy rain with a frown on his face.
The shelter he had built with great difficulty was destroyed by a heavy rain, and he felt quite sad.
Outside the eaves, heavy rain was falling like a curtain, and there was thick smoke between the raindrops. The visibility was less than 20 meters, and it was all white and unclear beyond 30 meters.
The raindrops collided and shattered in the air, and fell to the ground in a cloud of water foam. The water vapor mixed with the cold air, and it found every gap and tried its best to penetrate into it.
Bifang was standing under the eaves, and shivered violently as the cold air penetrated into his body. But soon, the fox meat that had not been fully digested in his stomach turned into warm currents that refreshed him.
The rain wet his hair, and he stretched out his hand to push it back. Only two strands of hair squeezed out from between his fingers and fell from the corners of his forehead. The faint light from the sky cast a halo around his dark back.
"It doesn't matter. We can build new camping spots if they are gone. Just be careful not to catch a cold. Health is the capital of revolution. It is very common to encounter such heavy rain in the wild. Don't be too pessimistic. Whether it is people or animals, they rarely act in such weather. This is good news for us."
The worse the weather is, the less people want to go out, and the same goes for gangs. For a "vulnerable group" like Bifang, this is a perfect time to take action.
Thinking of this, the unpleasantness caused by the destruction of the camping site was washed away by the heavy rain. Bifang no longer felt cold, but was full of energy again, thinking about where to search for supplies next.
"We've already been to the south of the industrial zone. Next we should change direction and look east. I remember there seems to be a cooling tower there, the kind in the shape of a hyperbola."
Bifang gestured with two curved lines with his hands. Cooling towers are actually very common. When I watched movies when I was a child, the final battle between Wolverine and Deadpool was on the edge of a cooling tower.
At that time, I didn’t quite understand it and thought that these towers were symbols of nuclear power plants. I didn’t understand why they were so impressive and subconsciously wanted to avoid them when I saw them. Later, when I grew up, I realized that large steel mills and power plants also have such things and they are not uncommon.
"A cooling tower is different from an ordinary tall and thin chimney. It is a cooling device generally used in large factories, such as chemical plants, steel plants, and power plants. There are a lot of good things in these factories. No matter which one it is, we should be able to collect something useful for us."
After determining the direction, Bifang wrapped the oilcloth tightly and rushed into the rain again.
One advantage of traveling in the city is that once you are familiar with the surrounding environment, you can easily recognize the direction. It is different from the forest. Even if you return to the camping spot, there are no marks and you need to determine the direction again when looking at almost the same trees.
Previously, the front of the factory was south, so the east side was naturally to turn left and then just keep going in this direction.
The streets were flooded with rain.
Matthew Hale ran in the heavy rain, but couldn't find the familiar figure.
Gradually, he could not run anymore. His whole body seemed to be filled with lead. A heavy feeling of dizziness was about to overwhelm him. Countless raindrops fell on the ground from all directions and exploded together. He was spinning, his eyes were dazed, and in a trance it seemed that there were walls all around him, tightly surrounding him.
Yeyimen has been devastated by war. Modern warfare is an information-based war, and signal base stations are the main targets of attack. Except for satellite signals, other communication methods are almost cut off.
Matthew knew this very well and prepared a satellite phone, but he accidentally lost it during his escape...
The last scene of the live broadcast that I remember was the bonfire in the factory, and I have no idea where I went after that.
Is it possible to find a man in a ruined city purely by luck?
Matthew regretted his impulsiveness and quit his enviable job and returned to the front line. He even chose the same city after knowing the other party's destination.
But now that I’ve seen it, how can I just ignore it?
He has witnessed countless tragedies and has been powerless to do anything but record the atrocities with his camera.
But that man is here!
He must have a way!
The insects that fell into the puddle and were about to drown kept struggling, and the road was wet and muddy after the rain.
With one step deep and one step shallow, the upper of Bifang's shoes was covered with a layer of mud. He put down the oilcloth and shook it gently. The water droplets rolled off the oilcloth. He folded it up and observed the destination with his swimming friends. He felt a little excited in his heart.
Ten minutes ago, Bifang climbed over the wall and tried to enter the factory, but was blocked by the door again. Helplessly, he had to look for the passage to the inside again. He walked around the factory, but unexpectedly he made an unexpected discovery.
Inside the wall, factory buildings are lined up closely together, and wide aisles are filled with laid pipes, nakedly exposed outside the wall.
Bifang held the steel bar and hit the steel pipe, making a bang-bang sound. The clear sound lasted for a long time. He came to an iron box, inserted the steel bar with ease, and pried it open.
"This iron box is not actually very strong. It is just a thin layer of iron sheet and can be easily pried open. However, everyone must be careful. It is likely to contain flammable and explosive gas. Do not use excessive force to avoid tragedy."
The steel bar was inserted into the gap, the iron sheet creaked, and soon there was a loud bang, and the iron door twisted and deformed and broke free.
Open the iron door and there are two large steel cylinders inside.
"It's acetylene and oxygen!"
Bifang wiped the sign and was quite surprised. He looked up at the huge factory.
"This type of gas pipe installed outside a building is not common. It should be for the convenience of workers. I think it must be a steel plant because the combination of acetylene and oxygen is most commonly used in gas welding. Acetylene is a flammable gas and oxygen is a combustion-supporting gas. When the two are mixed and ignited, the temperature can even reach 3,000 degrees, which is enough to melt steel."
When Bifang mentioned gas welding, many netizens were excited.
[Damn it, I did this at the beginning of the metalworking internship this semester. The temperature was so high that I melted the iron box directly.]
[Fuck, why does it look so familiar? It turns out to be gas welding! ]
[Is this thing still usable? ]
[Whether it can be used is one thing, but I actually want to know whether it will explode (dog head)]
Bifang took two steps back and looked at the orderly arranged pipes. A bold idea emerged in his mind: to use boxing and palm strike.
"Acetylene and oxygen are very unstable when mixed together. They evaporate easily, but at the same time, if you know what you are doing, you can make the best use of it. What can you do with a lot of flammable items mixed together?"
What can I do?
It's flammable and explosive!
The audience naturally thought of this without Bifang pointing it out. Think about the many gas tank explosion incidents, isn't it the same principle?
Acetylene might be even more powerful!
[Old Fang, do you want to make a bomb? ]
[You have made progress, Fang Shen]
【I have made progress! 】
[Strictly request the authorities to use satellites to monitor Fang Shen's every move, and never let him out of surveillance, otherwise it will be extremely dangerous (dog head)]
[Are you Hanma Hojiro? ]
Bifang chuckled and started to turn the knob on the cylinder. Maybe it was because it was too old, there were some rust spots on the knob, and it creaked when it was turned, which made the audience tremble with fear, fearing that there would be an explosion the moment it was unscrewed.
"Just now I was looking for a ventilation duct that could allow me to enter the factory, but now it seems unnecessary. We can keep it simple and enter in a simpler way. There is ample evidence that many flammable materials can actually be made into makeshift bombs, but this is definitely a professional field. Don't try it lightly. Just watch it for fun. So don't miss it if you pass by. I will only live broadcast the demonstration this time. If you miss it, you can only watch the recorded broadcast."
Bifang played a joke on the audience, but also had the purpose of attracting the audience to stay. After all, apart from catching a fox today, he hadn't done much business.
The official also cooperated. Langya and MeTuBe cooperated to send push again. The title was "Ruined City: Bifang Blasting the Gate".
The title was eye-catching, and soon the number of viewers of the live broadcast began to increase rapidly, increasing by 100,000 in just ten minutes!
[It came in very quickly. I came in right after seeing the title. I heard it was going to explode. I hope Fang Shen will be careful and not make some clickbait headlines.]
[Add one, is this really going to explode? Did Lao Fang get the explosives? ]
[I was still at work just now, and I came in when I saw this title, saying I didn’t want to miss it. ]
[There is no explosives, but there is a bottle of acetylene]
Looking at the audience who had just poured in, Bifang explained his situation and purpose once again, which confused the audience. They were all very excited and wanted to see what a real explosion was like.
As he was talking, a small steel cylinder less than one meter long had been unscrewed. Bifang weighed it and found it was very heavy, but that was basically the weight of the cylinder itself.
Carrying the steel cylinder to a side door of the steel plant, Bifang collected some other materials.
For soldiers and spies, entering buildings is a very important strategic and survival skill. Special forces have bomb disposal training, and Bifang naturally understands it as well, and the scope is wider because many parts also involve more advanced chemical knowledge.
The key to blasting a door and controlling the explosion is how to direct the explosive force to blow up the door.
Bifang looked around and saw a large iron box. The box was more than one meter high and two meters wide, with a small lock on it. But it was easily pried open. Inside were some sundries, tarpaulin and oilcloth. It was very heavy, but useless.
Many factories have some tarpaulins and felts on hand so that they can be used to cover and shelter from the rain on rainy days, preventing many things from getting wet and losing their function.
This is also the reason why Bifang can find oilcloth so easily. In the industrial park, these things are the most abundant.
After making sure that there was nothing good inside, Bifang grabbed the edge of the iron box and dragged it towards the gate little by little, explaining as he did so.
"Explosion is sometimes the only way to enter a closed building. The key is to place a huge and heavy ballast in front of the explosion target to prevent the explosion fragments from spraying here, and at the same time let the blast wind aim at the target. Here I aim at the door lock and the hinges on the door. In fact, this is similar to bullet shooting. Guns also use the barrel to limit the direction of the bullet, so that it flies towards the target path, thereby focusing on the target. This is the same principle, but this ballast is not heavy enough. We can also stuff some stones and soil into it to increase its weight and prevent it from being blown apart during the explosion. As for how to design the actual blasting part..."
Bifang, who was blocking the door, took a breath and smiled at the eager netizens: "I won't tell you this. In our line of work, many tricks can't be passed around. If they find me when something goes wrong, it will be terrible. But I am very confident that it will not be difficult to blow open this door."
The netizens were very disappointed when they heard the first half of the sentence, and some even felt that it was a false claim. But after hearing the second half, they smiled in understanding.
[You just discipline them, and if something goes wrong, it’s not your fault (dog head)]
[Bang bang bang, open the door, I'm here to check the water meter]
[Open the door, your express has arrived, please pick it up quickly]
[One dares to teach, the other dares to learn]
"Okay, we can get started."
Blocking the side door with an iron box, Bifang picked up the acetylene bottle and came to between the ballast and the side door, stuck it in the middle, then put down the backpack and took out the bottle of antifreeze seen before. The audience still remembers that it contained ethylene glycol, which would be in danger of burning and exploding when exposed to open flames.
"Ethylene glycol will burn and explode when it encounters an open flame, which is actually similar to gasoline. We can stuff a piece of cloth in there and soak it, and it can act as a fuse."
A thin strip of cloth was inserted into the bottle and contaminated with ethylene glycol, and Bifang pulled it out again, wrapping one end around the mouth of the acetylene bottle and pulling the other end out and outside the ballast.
Then it's time to make a fire and light the fuse .
"It's difficult to make fire by drilling wood in a ruined city. You should have seen it before. It took me a lot of effort to light the fire. And now it has just rained heavily, so dry wood is even harder to find, which makes it more difficult to make fire. But after entering the factory before, I found a good thing that can help us make a fire quickly."
Bifang rummaged in his backpack, pulled out a small bottle, opened the lid, and under the dim light, it seemed to be filled with black powder.
potassium permanganate!
Many viewers who had been following the show immediately recognized what this "familiar" bottle was.
It was the potassium permanganate found in the medicine box earlier.
But isn’t this thing used for disinfection and marking?
Audiences with good memory may still remember what Bifang said at the time. It was used for disinfection and marking, and the marking had to be made in the snow. What does it have to do with making a fire now?
"It's very important. I can tell you didn't learn chemistry well. Potassium permanganate is a strong oxidizing agent. Once it encounters a reducing agent, it will automatically decompose and emit a large amount of heat. This heat, when gathered, is the best ignition material, making it very convenient to start a fire. As for the reducing agent, we actually have that too..."
Halfway through the conversation, Bifang picked up the car antifreeze next to him, placed it in front of the drone, and shook it in front of the viewers with a smile.
"Ethylene glycol is one of the reducing agents that can cause it to oxidize and decompose. Generally speaking, alcohols are reducing. Unfortunately, not many people seem to realize this."
Bifang only brought a backpack with him for survival this time. All the things in it were things he had collected before and the audience knew about them. However, only a few people could connect them and make use of them.
With these things, it is very easy to make a fire.
Bifang pulled out a sponge pad from his trouser pocket. He had thought about the possibility of needing to make a fire long before setting out this morning, so he tore some sponge from inside the car and put it in his backpack.
Sponge is fluffy and soft, contains a lot of air inside, and is dry and flammable, making it very suitable as a fire starter.
Bifang first picked some weeds and put them on the fuse...
Bifang immediately ran more than ten meters away and hid behind a big tree, covering his ears.
Explosion, right now!
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