Wang Lu smirked and touched the two cylinders over and over again, which was simply salivating.

After being excited for a long time, Wang Lu turned around and said to Xie Ling, who didn't know why: "In the Sunshine City community where I live, there is a stainless steel door and window canopy shop in the street house. Good fellow, under this welding torch, all stainless steel and iron bars are as soft as noodles, burning a hole. ”

"If you use this welding gun to kill zombies, it's not the same as playing, just come as much as you want, and as soon as you raise your hand, you will weld a hole in its head, then it's really called a second kill."

Xie Ling understood, and sure enough, this welding torch is definitely a big killer.

She couldn't help but be a little excited: "Brother Wang, why didn't you use this method earlier, with this welding gun, these woodcutters, animal clips, and even this crossbow can be thrown away." ”

Wang Lu scratched his head: "It's not that I don't want to use it, it's that I can't use it alone, look at it, how heavy these two cylinders are, even if I want to carry them, I can't carry them." It's different now, with your help, I can use the welding torch. When the time comes, I will open the road in front of me with the head of the welding torch in my hand, and you will push the flatbed truck with the gas cylinder on it all the way, and you will be absolutely invincible. ”

Xie Ling suddenly thought of a question and blurted out: "Brother Wang, do you know how to use a welding torch?" ”

Wang Lu's face was a little embarrassed: "Seeing others use it, watching others use it, it's quite simple, it's almost the same as using a gas cylinder." ”

said loudly in his mouth, Wang Lu didn't have a bottom in his heart after all, many things, it is not difficult to see people carrying burdens, they really have to do it themselves, there are many blind people, in this world, there are many people who let their mouths open. Many people just know a little about something through the Internet, and it is the way to talk about it, and Zhuge Liang's reincarnation is not as good as him, so as soon as he makes a move, he immediately reveals his stuffing.

Wang Lu decided to try his hand first, he instructed Xie Ling to guard outside the store with a crossbow, first, to prevent zombies from wandering over, and second, to prevent himself from accidentally missing, this welding torch did not target the zombies, first open a hole in Xie Ling's body.

Xie Ling stood outside the store with a crossbow, watched Wang Lu walk to the gas cylinder on the left, and reached out to open the valve - two gas cylinders, one left and one right, placed in the two corners of the room.

She suddenly shouted, "Brother Wang, you wait." ”

"What?" Wang Lu paused his hand that had already touched the valve, turned his head and asked.

"Which of these two cylinders should be opened first?" Xie Ling pointed to two bottles, one large and one small.

Wang Lu was stunned: "Open it, open it, and pay attention to what to open first and then open that......"

He paused suddenly—no, since there were two bottles, there must be a sequence of opening which one was opened first and which one was opened later, and it was impossible to open both hands at the same time.

Is there any impact on welding? Wang Lu didn't know what to do.

But he remembered that when the home computer first came out, what 286, 386, didn't there was also a requirement to turn on the host power first, and then turn on the display power.

Which one should be opened first? Wang Lu stood stupidly between the two gas cylinders for a long time, not thinking of a move.

In desperation, Wang Lu gritted his teeth and beckoned Xie Ling over: "Let's drive together." ”

Xie Ling was stunned: "Can this work?" ”

Wang Lu scratched his head desperately: "It shouldn't matter, although I almost forgot about physics and chemistry in middle school, but oxygen and acetylene should not explode when mixed, acetylene itself can burn, oxygen is used to support combustion, these two things are mixed together, as long as it doesn't encounter open flames, it shouldn't matter." If opening the valve at the same time fails, let's try to turn on the oxygen first, or turn on the acetylene first. ”

So Wang Lu and Xie Ling held the valve of a gas cylinder and were about to open it, when Wang Lu found out that it was not so simple: "Wait." "This time, he stopped Xie Ling.

"What's the matter?" Xie Ling asked.

Wang Lu stared at the oxygen cylinder in front of him, raised his finger and pointed: "You say, what is this thing for?" ”

Wang Lu pointed to two meters, the common pressure gauge, Wang Lu's own car on the electric pump, there is a similar pressure gauge.

The pressure gauge, Xie Ling naturally recognized: "This is the pressure gauge, it should be used to check the amount of gas in the cylinder." ”

Wang Lu shook his head slowly: "If you just use it to see how much gas is in the cylinder, only one pressure gauge is enough, why do you need two?" ”

That's right, why should there be two?

Xie Ling looked at the acetylene bottle in front of him, the same two pressure gauges, and a square metal box was connected to the table. ,

Xie Ling quickly saw the difference: "Brother Wang, the numbers on the pressure gauge are different. ”

Wang Lu also saw it, and he patted his head: "I know that one of these pressure gauges should be used to control the pressure of the gas released." ”

This is understandable, as with a gas stove, the gas released cannot be too violent, and the two gases need to be mixed together, and a certain pressure must be controlled to fully mix.

This has a new problem, Xie Ling said: "Brother Wang, do you know how much pressure these two gases should be controlled?" ”

I'm going to see the hell when I know the way.

Wang Lu unconsciously became irritable, how could something that was originally thought of be quite simple become more and more complicated? Why didn't I notice these details before? The owners of those stainless steel doors and windows shops are using gas welding every day, and as long as they are a little more careful, they can notice the movements of their hands.

Wang Lu was suddenly stunned, and stomped his foot suddenly: "Hey, I'm drilling the horns of the bull." This gas cylinder is used every day in the store, and the pressure gauge has long been adjusted, so what else am I bothering about here? ”

Xie Ling also understood, and sure enough, both of them were a little worried.

Wang Lu finally began to count down, "three, two, one", hey, the valve sounded softly, and the air was ventilated.

Wang Lu is purely a blind cat catching a dead mouse, although the two of them opened the valve at the same time under the password, but the actions are still sequential, the acetylene bottle under Wang Lu was opened first, Xie Ling's oxygen cylinder was one step slower, but by mistake, this is the correct order to open the gas cylinder.

Wang Lu and Xie Ling's hands were still tightly gripping the valve, ready to close the valve as soon as there was an abnormality.

But all was safe, no fire, no crackling, no pungent smell.

Wang Lu breathed a sigh of relief and rubbed his hands, next, it was time to light the fire.

The all-copper welding torch nozzle was heavy in his hand, and there was a long leather tube behind it.

Wang Lu didn't know how far away from the two gas cylinders when igniting the fire, but he must stay away from the gas cylinders, this truth is the most basic and superficial common sense.

Wang Lu recalled that when the small shop at the door of the house was welded, it was directly placed on the sidewalk, although it was often harassed by the urban management because of the operation of the road, but the store was a tendon and refused to weld in the store, in addition to the store being too narrow, I am afraid that safety factors are also a big reason. Wang Lu did the same, pulling the leather pipe, until he walked far to the center of the street outside the door, fortunately the leather pipe was long enough.

Wang Lu took the leather tube and looked back, such a long distance, it should be no problem, even if he accidentally ignited something else, it would not be able to reach the gas cylinders in the house, even if the leather pipe was ruptured and on fire, he would have enough time to cut the leather tube with a woodcutter.

After thinking about it, let Xie Ling go back to the room, stand next to the gas cylinder, and once he found that he was not good here, he could immediately turn off the gas cylinder.

Wang Lu looked at the welding torch nozzle in his hand, the long copper nozzle, the plastic handle had a device similar to a sheet metal machine, and there was an adjustment valve that could be rotated at the rear end.

Wang Luding calmed down, pulled the trigger, and with an electronic fire, with a whirl, a long flame erupted from the nozzle, and the flame head swayed in the air with the wind.

It's done! Wang Lu was very happy in his heart.

Learning what he had seen before, adjusting the valve, the flames that had originally drifted away slowly gathered up, condensed into a slender and sharp beam, the firelight changed from red to cyan, and the sound changed from "whirring" to a slightly sharp "whoosh" sound

Succeed with flying colors!

Wang Lu was so happy that he couldn't close his mouth, and hurriedly asked Xie Ling to pick up a piece of waste stainless steel pipe for him.

Xie Ling was also very curious, and after handing over a half-meter-long stainless steel pipe, she also squatted aside and watched.

Wang Lu aimed the welding torch at the stainless steel pipe, and in the blink of an eye, the stainless steel pipe immediately turned black, red, melted, and broke.

Wang Lu and Xie Ling shouted in unison, and in the future, Wang Lu suddenly screamed, turned off the welding torch, and covered his eyes.

Xie Linggang asked, "What's wrong?" Immediately, he raised his hand and covered his eyes, and then two tears flowed.

These two urban idiots actually forgot that their eyes can't look directly at the welding gun.