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Looks good, wow wow, please update it.

Introducing a North American Indian survival food, Pemmican. The Pemmican meat can worn by the Scott Antarctic Expedition. Use lean animal meat and fruits, sun-dry/roast them, put them in animal skins and crush them into powder, then mix them with melted animal fat and put them in leather bags to form. High in calories, high in energy, and high in nutrition. Depending on the production process, it can last for 1-5 years at room temperature and up to 10 years when stored in a cool environment. Sealed storage can last for hundreds of years without deterioration. Later, early European explorers often equipped Pemmican as expedition food. Can also be stored in different shapes.

There are two types of novels I read: no female protagonist and no male protagonist.

Population and Navigation Technology: This post is mainly to share estimates of population density and quantity in the primitive/ancient transition era, as a reference for novels. Although ancient population records are very vague, the Indian tribes on the west coast of North America can be used as a reference. The main contact time of this place is after the 18th century, and various records and data are relatively reliable. Moreover, the Indians on the west coast of North America are still mainly hunters and gatherers, but due to their rich resources, they are the most densely populated place in North America. Coast Salish Tribe Distribution Map The Coast Salish population at that time was about 500,000-700,000, and they used large rowing boats without iron tools for navigation, trade and war. At that time, when the British began to develop British Columbia, there were more than 10,000 Canoe (10-30 people). In order to prevent wars between tribes and develop trade, they bombarded the coastal and river tribes. After that, they no longer manufactured war boats, but the number of trade canoe increased several times. Rowboats (mostly made from whole trees) The rowboat culture on the entire west coast of North America is very developed. Whether it is combat or trade, it is very suitable for water warfare. It can be used by the dragon tribe in the novel for early use. However, the Viking dragon ships mentioned earlier have more development potential. The Viking dragon ship was an early sailing ship in Nordic history. Although it does not seem to be much more technologically advanced than rowing, the medieval Viking pot-bellied commercial version of the dragon ship later developed into a Cog ship. Later the Hulk ship. Then there are the Carrack and Caravel ships in the early days of the Age of Discovery. It was also the first European ship to arrive in China. Although I feel that it is impossible for the novel to develop to this point, I still share my personal hobbies.

Sigh😔 I thought it was quite interesting, so it ended in a hurry

…………The praises and praises all of a sudden disappeared? ? ? ? ? ?

Finished? Where is the lightning power so fast, what about the Sea Tribe? ?

Why is it over? Is this because I suddenly ran out of time or something? It's so sudden...

Yesterday I saw the final chapter and didn't care about it. Today I saw it and suddenly realized something. I clicked on it and read the ending👀

Female Wusong😜

I never dared to imagine that girls would write about such topics. I thought the only female videos were about palaces and houses fighting against sweet pets and the like.

Lingshui has opened a new book, Ancient Infrastructure Text, if you like it, check it out 🌹

South American indigenous food freeze-drying technology and gunpowder: There is an indigenous food freeze-drying technology in South America (now freeze-drying is mainly used for instant coffee, fruit snacks and dehydrated vegetables). It is mainly used to store potatoes for a long time. It is said that it can last up to 10 years and is still in use today. In addition to underdeveloped production in ancient times, it was also difficult to store food for a long time. Chuño The technology mainly relies on extreme temperature differences to achieve complete loss of moisture in potatoes through 3-5 days of freezing in the dark and thawing and dehydration in the sun during the day. Each time it is defrosted, excess water needs to be manually squeezed out. If the novel is set in the original geographical location of China, there are no potatoes that can be used in taro, yam, lotus root and other high-starch foods and fruits and vegetables. Taro planting map: Taro can be used as an important food reserve. For example, before the Taiwan Miracle, most ordinary people in Taiwan relied on taro as their food ration. Although the traditional freeze-drying method needs to wait until winter, the heroine can use saltpeter to make ice and build an ice cellar in winter (it can also store meat, vegetables and fruits for hunting in summer) to simulate freezing weather. Creating nitrate by collecting cave bat guano and collecting people's urine and feces can be used for simple chemical fertilizers, making ice and making gunpowder after finding sulfur.

I think it's a gay thing. . . I am very excited to click in and read the introduction. . The result is infrastructure construction 😂😂😂

Finished? . . . It was so sudden, it felt like there were still a few chapters left. . . But it's very beautiful 😁 😆 I love no cp💪

A very nice book, from beginning to end. Leaders have both imagination and down-to-earth development. It's a pity that the author has too high demands on himself and ends in a hurry😢

It was pretty good, but it ended too suddenly 😭

Not enough, not enough... The author is great, please write more extras~~

I'm really glad that I watched it a few days before it was finished, otherwise it would have been more tiring to wait for the batch. . .

I loved this book, but the rush to finish it made me hate the author's next book.

Although the plot may be mixed with some unreasonable parts from time to time, I really like this infrastructure article. It seems that I feel peaceful and comfortable inside. I am really reluctant to finish it in such a hurry. Do you have any other recommendations for infrastructure articles?

I have read another book, and I have read basically all of Lingshui's books. This one is the shortest, a bit like a running account, and has a lot of holes 🤭, but overall I like it. Looking forward to the new book. Come on Lingshui😡, I will always support you🌹🌹🌹