However, in order to achieve all this, Chen Xin must obtain a stable material access channel to ensure that he can obtain sufficient materials, so as to meet the needs of system upgrading.

And he has to make sure that his sanctuary has enough output to be exchanged for goods.

Otherwise, even if there is an exchange channel, it is useless for him to exchange things.

Under this premise, planting greenhouse has become the key to everything. Only when the output of planting greenhouse and subsequent upgrading are guaranteed, can everything Chen Xin wants go on smoothly.

"In this case, the kitchen and weapon cabinet upgrade will be put back." Chen Xin is making a table on the computer to count the materials needed for upgrading. At the same time, he is adjusting the priority of upgrading various facilities according to his actual needs.

At present, in Chen Xin's revised list, the first priority for upgrading is naturally planting greenhouses. As the top priority, Chen Xin even made red remarks.

And then there's the generator. After all, that's the key to the safe haven.

However, the upgrading of generators is not particularly urgent. If Chen Xin is willing to increase the use of oil, extend the daily power generation time, or connect the second standby generator to the power system of the shelter, he still does not need to consider the problem of power system in a short time.

Therefore, although the priority of power system upgrading is very high, it is not something that needs to be upgraded immediately.

And then there is the weapon cabinet. After all, if you want to go out, without self-defense weapons, Chen Xin will feel insecure.

Next to the weapon cabinet is not the necessary communication system upgrade for Chen Xin, nor the kitchen he had planned to upgrade, but the vehicle, his SUV.

In fact, this is also a very understandable choice. SUV is a good choice as a means of transportation in peacetime. But in this end, especially when Chen Xin still needs to transport vegetables for material exchange, the vehicles that are not designed to carry goods are obviously not enough.

This time, the materials Chen Xin exchanged with Mo Qingyan are only half of his output this month. If the greenhouse is upgraded as planned, even if the ground is used to grow upland rice and the hydroponic plate is used to grow vegetables, he can harvest 1200 Jin of vegetables and about 800 Jin of carrots after maturity.

The total weight of so many vegetables is close to one ton. If Chen Xin only uses his own SUV to transport them, he may have to run several times to complete them. Not to mention anything else, just the consumption of gasoline is a problem that Chen Xin has to face.

Therefore, considering the future transportation needs, it is inevitable to upgrade the vehicle or get a new truck through material exchange.

Mo Qingyan has a pickup truck there. It was the same car that helped drag the freezer to Chen Xin's shelter. But it's Mo Qingyan's car. It's OK to borrow it, but it's impossible to ask her to borrow it every time she has to transport vegetables?

Although Mo Qingyan may not mind, Chen Xin still thinks it's not good.

As for the use of cars in the low temperature environment with lower and lower temperature in the future, Chen Xin is not very worried about it.

Although most of the world's auto manufacturers do not have the spare time to design cars that can be used in polar climate, the car itself can still be used normally in the environment of tens of degrees below zero.

This point has been well proved in the north of Yan kingdom in the past. You should know that in the north of Yan Kingdom, especially in Northeast China, winter is often minus 30 or 40 degrees.

In this weather, although the use of cars is a severe test, but the vast majority of cars can still be used normally.

However, antifreeze is really a problem to be considered. After all, cars can stand it, but people may not also stand it. The low temperature of tens of degrees below zero can really freeze people to death.

After recording these thoughts on this schedule, Chen Xin turned off his computer, felt his hungry stomach and was ready to get himself something to eat.

Thanks to vegetables, Chen Xin got his first harvest. Now he has a lot of food. At least he doesn't need to eat a bag of self heating food every day. Instead, he can eat it with vegetables and canned luncheon meat. He can also occasionally add a meal to his own to have canned pork.

The abundance of food not only increases the total amount of energy Chen Xin consumes every day, but also makes his nutrition more balanced and rich, so as to avoid the possibility of malnutrition due to lack of food.

Come to the "kitchen" in the living room. Because the kitchen has been removed from the priority of the upgrade plan, Chen Xin's current "kitchen" is just an induction cooker and a set of cookware used by Chen Xin outdoors.

Of course, in addition to this, there is a simple chopping board and a fruit knife that can be used to cut vegetables. These are the cookers that Chen Xin used when he went to participate in outdoor sports or survive in the wild.

Originally, there was a folding gas stove, but that thing needed to be connected with an additional gas tank. In this end of the world situation, Chen Xin felt that the tank of liquefied gas he had stored was better reserved for use at a critical time.Before the vegetable harvest, Chen Xin could only eat self heating food every day, so he only used a small pot which could be used as a frying pan or a lunch box.

Now with vegetables and cans, Chen Xin can at least add fried cabbage or lettuce to his meal, or fried lunch meat and fried lunch meat with vegetables.

As for canned pork, considering that it will be difficult to eat them after they are finished, Chen Xin does not eat every meal extravagantly. Instead, he plans to open one a week to save as much as possible.

After all, pork is likely to be hard to eat in the future. Instead, it's canned luncheon meat. If you don't mind eating luncheon meat with cockroaches or mice as raw materials, Chen Xin believes that he should still eat it frequently in the future.

With this in mind, Chen Xin also tore up the self heating food packaging bag, added a little water to it, and put it aside. Soon, the heating bag in the packaging bag reacted with water and released heat.

At this time, Chen Xin took out half of the lunch meat that he had not finished in the morning, sliced it on the cutting board, and then put a frying pan on the induction cooker. After the pan was hot and the oil was poured, he put in the sliced lunch meat and began to fry it.

A smell of meat diffuses with the sound of Zizi. Chen Xin, who hasn't smelled the smell of meat for a month, can't help shaking his fingers.

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