In 1985, Binh Yuan County, Bac Stream City, An Ha Province.

It was the middle of a summer day, and the sun was scorching the earth, and I knew that I was scrambling to chirp in the paulownia trees. The narrow streets of Pingyuan County are full of stalls selling all kinds of cheap industrial products and agricultural and sideline products. Colorful and poorly printed celebrity posters were posted outside the doors of the street shops, and in the four-speaker tape recorder, Su Rui was shouting hoarsely:

"There is no heaven and no earth!

There is no home without land!

There is no home for you!

I wouldn't have ...... without you."

Outside the gate of the bus station, a young man with a long figure and delicate eyebrows carried a luggage roll on his shoulder, an army-green satchel on his chest, and a large canvas bag containing daily necessities and a few books beside him.

The young man's name was Qin Hai, and he carried a registration card in his satchel, which read:

Qin Hai, male, born in 1967, originally from Jiangshan County, Anhe Province, Anhe Provincial Agricultural Mechanization School foundry 1985 students, qualified grades, allowed to graduate, is now dispatched to work in Qingfeng Agricultural Machinery Factory, Pingyuan County, Anhe Province......

The registration card is decent, and it is not surprising that a technical school student is assigned to work in the county agricultural machinery factory. But no one knows that something unusual has happened to this ordinary technical school student, a soul has traveled from the 21st century and occupied the body of the original owner.

Qin Hai was a young postdoctoral fellow at the Institute of Materials Research of the National Academy of Sciences at the beginning of the 21st century, and was known as a "ghost talent" in the entire Academy of Sciences system. There are many experts in the Institute of Materials, but everyone has their own field of expertise, or polymer, or inorganic non-metal, or superconductivity, or performance. Only Qin Hai can be called an all-rounder. I don't know why this guy's energy will be so abundant, after entering the rover for a few years, he has published dozens of SCI papers, each of which is not in the same field. After each paper is published, it triggers an academic debate in a certain field, and the number of citations of the paper makes his peers' eyes red with jealousy.

If such a talent stays in the laboratory and produces results, it is almost easy to stay up for a few years, and mix with Changjiang scholars, outstanding young people, etc. But Qin Hai is a restless person, just as he is restless in academics, he is also eclectic in life. On a holiday, he and a group of fellow travelers he met somewhere to climb a snow-capped mountain that had never been conquered, only to be killed by an avalanche......

Perhaps God couldn't bear to let such a genius he created disappear easily, Qin Hai's soul traveled through time and space, came to the mid-80s of the 20th century, and was reborn by attaching to a newly graduated technical school student.

Alas, I finally chose a life......

Qin Hai, who had already turned into a technical school student, sighed and found psychological comfort for himself. Compared with the previous life, I am much younger in this life, which can be regarded as the benefit of crossing. Also, it is said that the air in the 80s was cleaner than in later generations, so shouldn't you enjoy this beautiful life without PM2.5?

Thinking of this, Qin Hai took a deep breath vigorously, but before he could hold it for a second, he squirted out again.

What a taste it is! Sulfur dioxide from coking plants, dimethoate pesticides from pesticide plants, ammonia from fertilizer plants, acetylene from calcium carbide plants...... Who said that there is no pollution in this era!

Qin Hai snorted twice, picked up the canvas bag, walked forward, and asked passers-by as he walked: "Labor, how to get to Qingfeng Agricultural Machinery Factory......"

"Go forward, walk along this road, walk 800 meters after the county, turn left at the gate of the pesticide factory, and then 300 meters ahead, there is a big red iron gate, which is Qingfeng Factory." On the side of the road, a cultural man wearing glasses pointed out in detail.

"Thank you." Qin Hai thanked him and continued to move forward.

After walking for more than a dozen steps, there were hurried footsteps behind him catching up, Qin Hai looked back, but it was the enthusiastic cultural person who pointed the way just now.

"Wait, wait, wait, lad."

"How?" Qin Hai stood on his feet and said in surprise.

The cultural person ran to Qin Hai, snorted and gasped for a few breaths, and then said: "Young man, I accidentally said something wrong just now, after you pass the county middle school, you have to walk 900 meters to the pesticide factory, if you only walk 800 meters and turn left, you will fall into the fish pond." ”

"Uh......" Qin Hai was speechless, do I look like such a mentally retarded person? He looked at the enthusiastic person carefully, and made sure that the other party was not joking, so he had to thank him again: "Thank you, master...... It's dangerous, I'm not very good at water......"

The enthusiastic person went back with confidence, Qin Hai wiped the sweat on his head, and was about to continue his journey, but he was attracted by a dispute on the side of the road not far away.

"It's just their gang, stop them!"

"Let them return the money!"

"Liar! Arrest them at the Public Security Bureau! ”

Five middle-aged men dressed as peasants gathered around a roadside stall with various farm tools in their hands, shouting loudly, their tones full of anger. Then, on the stall surrounded by them, a fat man of the same age as Qin Hai and with a waist circumference twice that of Qin Hai stood up, and retorted angrily:

"What are you talking about, we sell things here every Sunday, how can we be liars!"

"Yes, if we were liars, why didn't we run?" Two more young men stood up, one tall and one short, echoing the fat man's words, and it seemed that the three of them should be together, and they were all the stall owners.

"You say you're not a liar, look at my shovel, I bought it from you, it only took a week, and it curled the blade, and you use paper paste!" One of the leading men among the peasants raised the shovel in his hand to the tip of the fat man's nose and asked sharply.

The fat man took a half-step back so that his eyes could be focused on the shovel. After a glance, his tone was obviously softened, but there was still a bit of a fleshy quibble: "Who...... Who knows what you are doing with this shovel, our shovels are made of the best steel, and the quality is absolutely fine......"

"What else can I do with a shovel, of course it's shoveling! I've used dozens of shovels at my age, and none of them are as bad as yours! You said your shovels were made of good steel, don't you still have them in this stall, let's try one! The leading peasant said angrily.

The fat man said, "Why do you try the shovel on our stall?" Who's to blame if you try it out? ”

"Your shovel will break when you try it, and you dare to say that the quality is okay!" The peasants clamored.

"Can I eat the vegetables grown by your farmers first and then pay for them?" The young people retorted.

"Of course you can, you don't need money if it's not delicious!"

“…… As for the pigs you raise, can you kill them first? ”

"Kill and kill, I will give ...... for nothing without fat"

“……”

As soon as you say a word to me on both sides, the air is already filled with the smell of gunpowder. The three young men were obviously not confident in what they were selling, and they did not agree with the other party to test the farm tools on their stalls, and at the same time insisted that the farm tools they bought were damaged because of improper use. As for the five peasants, they bought fake and shoddy goods, and they were already on fire, and when they saw that the other party was so scoundrel, they were even more furious.

"Everyone, what's the matter, can I, a passerby, comment on the reason?" Qin Hai stepped forward with his luggage and said to the two sides of the conflict with a smile. He was not a nosy person, but seeing that the confrontation between the two sides was so fierce, and that they both had guys in their hands, he was afraid that if they disagreed, they would move their shovels and pickaxes together and their arms and legs fly, so he hurriedly stepped forward to persuade them to fight.

"Who are you? Be nosy. The fat man glanced at Qin Hai and asked dissatisfiedly. He knew that there was something wrong with his goods, and passers-by knew that they were the ones who lost the reason, so he didn't want others to interfere.

"I'm a passerby, I'm here to persuade the fight." Qin Hai still said with a smile, seeing that the three young people were unwilling to cooperate with him, he turned his head to the five peasants and said, "Uncles, what are you arguing about, can you tell me?" ”

Several of the peasants were honest people, and they were all past the age of being competitive, and the quarrel with the three young men was not originally out of their original intention. Seeing that someone came forward to help with the evaluation, several farmers were very happy, and the leading farmer pointed to the shovel in his hand and said to Qin Hai:

"You judge it. This is the shovel I bought from them last week, and I blame me for being cheap, and I bought them here when they saw that their shovels were sold for five cents cheaper than those in Zhang Laosan's blacksmith shop. As a result, it took less than a week to buy it back, and the edge was rolled, you say, what kind of shovel would be so inferior! ”

Qin Hai took the shovel from the farmer's hand, looked at the blade, tapped it with his fingernails, listened to the sound of metal, and said: "It is indeed a good piece of steel, if I am not mistaken, this should be No. 65 manganese steel, and no one is willing to use such a good steel to make a shovel." ”

"Hear it, hear it!" When the three young men heard that Qin Hai was actually helping them speak, they turned their anger into joy and echoed in unison. The fat man even stretched out his thick bear paw and patted Qin Hai on the shoulder, and said, "Dude, expert! Even the steel number can be seen. ”

"Don't be happy yet." Qin Hai turned his head, still with a smile on his face, "I haven't finished my words yet." Steel is indeed good steel, but it is a pity that it has been ruined by you. Let me ask you, have you not quenched this shovel after you forged it? ”

"......" The fat man's smile suddenly condensed on his face, and he stammered for a long time before he stammered and asked, "What are you talking about, what is the flames of war......