"Let's first think about how to modify the base's ventilation system. This is a big problem for underground shelters."
Sitting on the wooden chair that was a little uncomfortable for his buttocks, Somo began to recall the knowledge of the civilized era.
And the shelter design in major doomsday movies...
Underground shelters require a large air filtration and conditioning system, but any ventilation ducts opened outside will become a safety hazard.
Therefore, in Sumo's idea, it is best to use an internal circulation system, but the prerequisite is water and electricity, so that oxygen can be produced by electrolysis, which provides the possibility for internal air circulation in the entire facility.
Of course, it cannot be completely sealed from the outside world. The stability of such a completely sealed environment is extremely poor, and ventilation holes leading to the outside world are still necessary.
In order to be concealed, this kind of vent should not be too large, and it should have a sealing switch that can be closed at any time.
If there are no terrain restrictions, the optimal solution would be to set the vents under rocks that are exposed only at low water levels in the river bed, or on uninhabited islands.
These slender ducts can pump purified and filtered fresh air into the bunker, and can be closed at a critical moment to allow internal circulation.
But given the current conditions and equipment in the shelter, this idea can only be a conception.
After looking around at the items currently on sale in the trading channel, Sumo decided to stick with the most mechanical design.
Taking advantage of the submarine's periscope structure.
A window with dual functions of ventilation and light is opened in the center of the shelter.
The specific design is to dig out a cavity right above the shelter and install glass with better light transmittance.
And punch holes in the glass for ventilation to ensure that air can flow through the pipes.
Go down the dug hole and make a "Z" shaped turning hole in the middle of the hole.
Install two plane mirrors parallel to each other and at a 45-degree angle to the incident light in the "Z" shaped hole. Through two reflections, the incident light is transmitted into the shelter to solve the lighting problem during the day.
After the first layer of ventilation glass, a mechanical explosion-proof glass can be designed to ensure that the explosion-proof glass can be closed in a disaster to prevent liquid or toxic air from flowing in.
Even a high school student can come up with such a simple design, but it would be troublesome to implement it.
Without matching tools, it would be a big project to penetrate all the way to a shelter five meters underground while ensuring accuracy.
but...
"I have a system!"
With his current understanding of the system, Sumo has a thorough understanding of how the system is played.
When there are no materials, the system wants to use survival points to create materials out of thin air, which is extremely expensive.
But once you have the materials, the system functions more like a construction team, and you only need to spend a small amount of survival points to achieve the purpose of upgrading.
After thinking about it, Sumo opened the trading channel after confirming the feasibility.
Currently, the resources available to him are as follows:
Ordinary mineral water (1000ml), Nether Energy water (600ml), 10 pounds of Da Lieba bread.
As for the remaining pet eggs and energy bicycle blueprints, he has no intention of trading them.
Trading channel.
[Seller: Sumo]
[Trading Item: 50ml Nether Energy Water]
[Required items: Explosion-proof glass]
[Remarks: Water that can strengthen the body, don’t miss it if you pass by, only two units of glass are accepted, private message with good quality]
...
[Seller: Sumo]
[Trading items: 15ml mineral water (maximum 975ml)]
[Items required: 1 iron block (can be exchanged 1/1 times per person)]
[Remarks: Each person can only complete one transaction]
After the two items were successfully put on the shelves, Somo spent another 25ml of water to buy two units of mirrors with good reflective properties, using up all the ordinary mineral water.
Somo exchanged 15ml of water for 1 iron block. Although it was an extremely black-hearted businessman's behavior, for some players who were struggling on the line of life and death, it was no less than a savior's behavior.
In addition, Sumo also had his own plan for limiting each person to one transaction.
Water is now regarded as liquid gold. What he wants is to be consumed, rather than being purchased and hoarded by some thoughtful people.
World chat channel.
"For those of you who are short of water and have iron blocks, go to the trading channel and take a look. Su Shen is selling water again! One person can only trade once, so hurry up!"
"Damn it, Su Shen is so awesome!"
"Haha, it's already too late. Fortunately, I followed Su Shen's personal channel in advance and grabbed a sip of water. I don't even know that Su Shen now has more than 400,000 fans. Can you passersby get it?"
"Where did Sumo get the water? Yesterday he spent 700ml to buy the illustrated book, and today he spent 1000ml to buy iron blocks. Is that too much?"
"Come and see, Su Shengua's psionic water can actually strengthen the body and cure diseases. As long as it's explosion-proof glass, who's going to change it quickly?"
"Oh, people are so infuriating. I dug all morning and couldn't find a drop of water. I'm dying of thirst."
"...."
There is only one speech per day, and a large group of people gather to discuss it on the world channel, not to mention the grand occasion on the regional channel.
Even Sumo's personal private messages at this time were flooded.
First, in less than two seconds, the transaction for the iron blocks listed for sale was completed, and 65 units of iron blocks were quietly lying in the inventory.
There are countless people here holding other resources and shouting for a sip of water.
“Water is so popular!”
Soma thought to himself.
In the past two days, others were offering resources to buy water, but he was the only one who was exchanging water for resources, so he naturally seemed unique.
Using the filtering function in private messages, Sumo used keyword iron blocks to filter out 80% of useless private messages.
After using the search, I picked out dozens of private messages with explosion-proof glass and started to check them.
After scrolling through many private messages about wanting to buy more water using ordinary-quality explosion-proof glass, Sumo finally found an eye-catching one.
Feng Mengyue: "Su Shen, I have a piece of ordinary quality explosion-proof glass, but I think you will not like it. If you are willing to increase the price, I can trade you a piece of fine quality and a piece of rare quality explosion-proof glass."
The avatar is of a woman with a delicate face and a heroic face.
Seeing the exquisiteness and rarity, Sumo frowned and smiled.
The current quality classification currently has five levels: ordinary, excellent, sophisticated, perfect, and rare.
Feng Mengyue, a member of the female class, was able to obtain rare-quality explosion-proof glass on the second day of the game, which shows her strength.
"He will increase the price as soon as he opens the door, but he doesn't take the initiative to quote. He seems to be a difficult person."
Sumo shook his head, not being fooled, and instead brought his army back to life.
Sumo: "You should understand the current value of psionic water. There are so many things on the market, but I am the only one that can improve your physique. As for the explosion-proof glass, I bought it to replace the windows of the shelter. It's better than bad.
It doesn’t really matter at all.”
Feng Mengyue: "Is 300ml okay?"
Sumo: "Don't even think about it. It's just two pieces of glass. It's not worth so much. If you don't want it, I will drink it in the afternoon."
Feng Mengyue: "I'll think about it"
Seeing the other party's reaction, Sumo burst out laughing.
He is the only one selling psionic water in the market. It is an absolute seller's market. Once he decides not to sell, the buyer can only stare blankly.
Two minutes later, news about Feng Mengyue came again.
Feng Mengyue; "I am adding information to the two pieces of glass, 300ml of psionic water"
Sumo: "What information?"
Feng Mengyue: "Information about how I obtained these glasses"
Looking at the chat box, Sumo thought for a moment and then agreed.
In the apocalypse, materials are valuable, but information is priceless.
Like killing a chameleon, if he doesn't have enough information, he might just be able to deliver food while wearing all the equipment.
After hanging up the private transaction channel and uploading the designated seller of 300ml Nether Energy Water, the transaction is completed.
[Record]: You have lost 300ml of psionic water.
[Record]: Congratulations on getting explosion-proof glass (fine)*1, congratulations on getting explosion-proof glass (rare)*1.
[Record]: Whether to extract glass information
"extract"
After the words fell, a voice played in the empty shelter.
"Ruins will be refreshed in the wilderness from time to time. When I got up today, a mysterious ruin was refreshed next to me. It looked very dangerous inside, so I only found a few pieces of glass on the outside. I will wait until I want to continue exploring.
When the time came, the ruins suddenly disappeared.”
