As the sun sets in the west, the sky seems to be covered with a light veil.

“Rustle…”

“We’re home.” Chu Feng walked out of the jungle carrying a large bundle of bamboo on his shoulders, and in front of him was a camp surrounded by thorns.

The bamboo on his shoulders had about a dozen calf-thick bamboo, all of which added up to more than a hundred pounds.

After eating the coconut crab at the beach, the two went to the coconut forest, and under Chu Feng’s search, they spent half an hour catching two more coconut crabs.

In the afternoon, when the sun was not so poisonous, the two continued to boil the salt a few times before packing up their things and leaving, going to the beach where there was bamboo, tied a large bundle of bamboo with rope, and returned directly.

The two did not stop on the way, and finally returned to the camp safely before dark.

“It’s finally here, and it’s a great harvest.” Yun Xin gasped and crouched down and put down the bamboo basket he was carrying.

“I’m tired, let’s take a break.” Chu Feng walked over to help the young girl put the bamboo basket down.

“Wherever you are tired, the bamboo is all dragged back by you, at least one hundred and fifty pounds, all of which make you take less…” Yun Xin pouted, and there was concern in the black and white eyes.

She stood up and involuntarily pressed Chu Feng’s shoulder to make him sit on the edge of the sink, and her slender fingers pressed on his shoulder and slowly pinched his shoulder.

540 “I’m really not tired. Chu Feng said with a bitter smile, the girl’s long hair fell down his shoulders, and a faint fragrance of the girl’s body fluttered on the tip of his nose.

“Sit tight.” Yun Xin pursed his mouth and pressed his shoulder to prevent him from getting up.

Yesterday Chu Feng moved more than two hundred kilograms of wild boar, and today he carried more than a hundred kilograms of bamboo for more than an hour, saying that who would believe it if he was not tired?

Chu Feng smiled helplessly, and had to quiet down and enjoy the girl’s service.

After more than ten minutes, Chu Feng patted the girl’s hand and said, “Well, it’s almost dark.” ”

“Okay, I’ll wash the seaweed and let it dry.” Yun Xin looked at the sky, and only then did he let go of Chu Feng.

She packed up the contents of the basket and placed three tightly bound coconut crabs in another basket. Then pour the seaweed and kelp into the sink, crouch down and wash it.

After washing the seaweed, drain and dry, and then bake it to make seaweed.

Chu Feng looked at the young girl’s busy appearance and decided to go back to the shelter to make a fire first, and then he could filter the salt.

More than ten minutes later, the fire was lit, and the girl had finished washing the seaweed and walked in.

Yun Xin put down the bamboo basket containing the (bbfj) coconut crab, turned around and closed the thorny gate, walked over to the fire and sat down, asking, “Chu Feng, do you want to filter the salt?” ”

“Well, pork has to be salted.” Chu Feng nodded in response.

He poured the salt from the bamboo tube into a clay pot, added some water and stirred it to melt the salt.

“I’ll help you.” Yun Xin was holding a bamboo spoon in his hand and stirring the salt water.

Chu Feng picked up the filter device he had used before and poured out the charcoal inside. I grabbed some new charcoal and put it in, rinsing it repeatedly with clean water according to the previous method until the water flowing out was clear.

Yun Xin took the filter device in Chu Feng’s hand and remembered the matter of digging out bird eggs during the day.

She couldn’t help but ask, “Chu Feng, the salt has melted, I’ll filter it, now you tell me what to do with a bird egg?” ”

Reminded by Yun Xinyi, Chu Feng thought that there was such a thing, but he did not expect that the girl had been thinking about the bird egg.

“That’s to detect the alkali content in the gray water of grass and trees.” Chu Feng got up and hugged the clay pot containing the gray water of grass and trees.

“What do you do when you detect it?” Yun Xin was amazed, and the action of filtering the salt water in his hand stopped.

She hadn’t learned to use bird eggs to test the alkali content of water in school, nor had she heard of it.

“Used to make soap.” Chu Feng smiled lightly and carefully poured a relatively clean layer of water inside the clay pot into the bamboo tube.

“Make soap out of grass and wood ash water?” Yun Xin was amazed, can grass and wood gray water be made of soap?

“Of course not, you have to add lard.” The corners of Chu Feng’s mouth hooked up and began to popularize science for the girl.

The simplest soap method is actually made of a mixture of lye water and oil, and many people do not know how their commonly used soap comes from.

In ancient times, people had not yet found alkali, but by chance, it was found that after mixing grass ash and lard, some hard-to-wash stains could be washed away, which led to the discovery of the method of making soap.

“Soap is made of lard and ash?” Yun Xin was amazed, and there was a look of surprise in her eyes.

“It’s just an easy way to make soap.” Chu Feng explained.

The conversation between the two was heard by the audience in the live broadcast room, and a series of marveling bullet screens began to brush up.

“The soap I use often comes from this way, which is a long sight.”

“These are junior high school knowledge, I already knew it.”

“First I made toothbrushes and textile machines, and now I make soap, so in a few days it is time to make people.”

“I advise you to be kind, little Lolita is mine, no one can take it away.”

“Pick up the little book and write it down, and get ready to open a factory.”

“…….”

“Not only lard, but also vegetable oil, as long as the purity is enough, you can make soap.” Chu Feng picked up the bird egg and prepared to test whether the alkali content of the water met the requirements.

“Bird eggs falling into the water, whether floating up or sinking to the bottom, means that the alkali content does not meet the requirements.”

Chu Feng turned his head to the young girl and explained, “So the bird egg must float in the middle of the water to be okay.” ”

Yun Xin seemed to understand and nodded, as to what the principle was, he still didn’t understand it.

Chu Feng gently put the bird egg into the bamboo tube, touched the water and slowly sank, and finally suspended in the middle of the water.

“Chu Feng, look, the bird egg is floating in the middle.” Yun Xin said hurriedly.

“Very good, the alkali content is enough.”

Chu Feng nodded satisfactorily, scooped a spoonful of wild lard into the clay pot filled with oil with a bamboo spoon and poured it into the bamboo tube, saying, “The next thing is to keep stirring until it is sticky.” ”

He stirred it with a small wooden stick, and the grass and wood ash and lard in the bamboo tube were mixed together.

With the passage of time, the liquid I body inside the bamboo tube has become more and more viscous, and the gray water of the grass and wood has been completely fused with lard.

Chu Feng found a pottery bowl and poured the liquid I body inside the bamboo tube into it, just filling the bowl.

“Chu Feng, is the soap just like this?” Yun Xin sniffed the liquid body in the pottery bowl closely, but did not smell any special taste.

“Put it for two days, and when it solidifies, I don’t know if it can be used.” Chu Feng placed the pottery bowl on the edge of the wooden shed, away from the fire, otherwise it would never freeze.

“Great, if you really succeed, you can wash your hair with soap later.” Yun Xin said excitedly, reaching out and touching the long hair that was already greasy.

———————————–

“Four more,( ̄▽ ̄). Ask for support, ask for customization. “_

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