Chapter 434: The only way to survive is to follow the crooked path
"Just now we talked about how to filter water using sand, charcoal, etc. Next, let's talk about how to distill pure water from seawater."
Qi Xili placed his very simple experimental equipment on the table, used clean water with salt added as seawater, and demonstrated to everyone how to distill.
Since everyone present had attended college, this theory only needed to be briefly mentioned and did not require in-depth explanation, so soon fresh water was seen flowing out of the condenser.
"In actual operation, you don't need all those fancy beakers and condensers. Even if you just put a plastic raincoat or a leaf over the boiling seawater, you can collect a certain amount of fresh water. It's just not much, just enough to drink."
Qi Xili smiled and said, "Theory is theory, practice is practice. We must apply it flexibly, use local materials, and obtain the greatest benefits at the lowest cost."
Seeing that the students were deep in thought, Qi Xili then talked about how to find water in the desert. If they couldn't find any, how to use the principle of water vapor liquefying when cooled to extract pure water from the air.
"Today we are talking about the three most common situations encountered when surviving in the wild. Only by solving the problem of drinking water can life be prolonged.
Of course, in addition to drinking water, there is also salt that is essential to the human body. So, what I am going to talk about next is how to extract and purify salt in nature using primitive methods. "
Hearing this, Shen Yanming and Bi Qiaoan were stunned.
If extracting pure water was the basic rule of survival just now, then extracting edible salt is now a higher level of survival skill.
The two of them were thinking, since Qi Xili is so capable, will he teach them how to brew wine, vinegar, and soy sauce in the future?
In fact, the two of them were not wrong. Because the Qinghe Alliance was very worried about the future of Qinghua Country, they held an emergency meeting in Dijing.
The end result of the meeting was to try to teach these survival and life skills to the guards.
In this way, if an accident really happens one day, there will be someone who can pass on the flame of human civilization, so that the last survivors will not have to start from clearing the land and retrace the path that their ancestors have taken for several lifetimes.
However, what they were taught were only the basics. For example, if someone had a secret recipe, the guards did not seize it by force, but instead suggested that the other party find a few more heirs to disperse the risk of losing the secret.
Shen Yanming and Bi Qiaoan didn't know the stories behind these things, but they knew that the guards really had good intentions so that they could stay alive.
Qi Xili used his many years of field missions as an example to share his experiences and insights with everyone, hoping that the other party would not be helpless when facing a crisis.
After he explained the extraction methods of sea salt and land salt, he went on to tell everyone about the purification of crude salt and the method of burning charcoal.
Until the bell rang, he called the end of the get out of class with a lingering feeling.
Then I saw a group of people rushing towards the door, and it seemed that they were even more intense than yesterday.
Bi Qiaoan looked at them as if they were being chased by a monster and couldn't help but feel puzzled. He couldn't understand what the point of squeezing was. It would only delay them for two or three minutes.
It was not until he heard Yu Shui sigh that Bi Qiaoan realized something. It turned out that they were not being chased by anything, but were afraid of facing Qi Xili.
"Qiao An, can you understand, can you remember, can you put it into practice?" Yu Shui knocked his head on the table and asked three soul-searching questions.
Bi Qiaoan wanted to say that she understood, but seeing Yu Shui's expression, she didn't dare to undermine his self-confidence, so she said vaguely: "I remembered a lot, but I didn't learn all the theories and experiments.
But I will always remember all of Captain Qi's crooked ways."
"Heh!" Bi Qiaoan heard a chuckle and realized that Qi Xili had not left yet. He was hiding behind the table and no one knew what he was doing.
Talking about someone's evil ways in front of them was extremely embarrassing, even for a thick-skinned person like Bi Qiaoan.
She stood up, her face burning as she looked at him and apologized, "I'm sorry, Captain Qi, I shouldn't have said that just now.
I didn’t mean to be sarcastic or derogatory when I mentioned these tricks. On the contrary, I think those little tips are very practical and left a deep impression on me.”
Qi Xili didn't intend to argue with Bi Qiaoan. After all, what she said was right. It was indeed a bit unorthodox.
He nodded and smiled, "You're right, no matter what method, it's fine as long as it's practical.
No one knows what the world will be like in the future, so it’s always a good idea to master more skills.
I hope we are all still alive when the new era comes.”
Bi Qiaoan nodded, "I definitely will!"
I thought, “If you all-powerful guards can’t survive, then ordinary citizens really don’t need to live.
After all, in peacetime, most people only know how to sit in an office and use a computer. Not many people are even proficient in farm work, let alone these skills that can help people turn things around in desperate situations. "
Qi Xili nodded and left without saying anything.
Seeing that they were the only ones left in the classroom, Shen Yanming and Bi Qiaoan checked the windows again, turned off the lights and locked the door.
This time, the lock on the door was open, so Shen Yanming locked it directly after he went out.
Then the group went back to the dormitory chatting and laughing.
Seeing that Yu Shui was still not in good shape, Shen Yanming comforted him: "Don't focus on theory. The purpose of the training is to let you master more survival skills, so just use them."
"Then, what about the assessment?" Yu Shui was a little hesitant.
"Since the evening training is for practical purposes, the assessment must be biased towards the opponent."
Shen Yanming stopped and looked at Yu Shui seriously and said, “Also, you have to distinguish the primary from the secondary.
Coming to the Guard doesn't mean you have to repeat college.
Those advanced theoretical knowledge are just icing on the cake. What you need to do is to see the essence through the phenomenon. "
Yu Shui said he had learned his lesson, and Zhu Shiliang and the others were suddenly awakened. If it weren't for Shen Yanming's reminder, they might have gone astray.
Their thinking is still stuck in the training and assessment of peacetime. They think that the other party will ponder the theoretical knowledge over and over again and plan to go back and memorize it in preparation for the exam.
It was not until they were reminded that they realized that the world has changed and they are no longer students. Everything is for the purpose of survival and it is enough to have a general understanding of the theoretical knowledge.
When they reached the fork in the road, Shen Yanming and Bi Qiaoan watched the shocked figures walk away.
Then, Bi Qiaoan looked at Shen Yanming and asked angrily, "Why didn't you remind me that Captain Qi was still up there when we were in the classroom?"
Shen Yanming poked her cheek with a smile, “At that time, how could I know that you would say such a shocking thing?”
Well, it seems like he was taking some of his anger out on others.
In that case, then forgive generously.
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