Chapter 590: 591

The weather is hot, so she is also wearing a vest, but she can only wear it in the study or in the room, and she has to be more conservative when going out.

"Kagji..."

Looking at the open study door, Liu Feng turned to An Li and asked, "How is the game pool I asked to build?"

It was hot and it was great to have an indoor pool.

He never dared to dream of having an indoor game pool on Earth before, but now he is the lord of one party, this requirement is too simple.

"It's already been dug, but the tiles are still being fired." An Li said expectantly, and she was also waiting for the completion of the swimming pool.

"That's good." Liu Feng nodded, thinking of issues that he hadn't paid attention to before, and asked, "How's the tap water?"

"Half of the people have been connected to the water. Everyone is very happy, and they don't need to go out to fetch water." An Li said happily.

"Let people pay more attention to the source of the reservoir, and there must be no problems." Liu Feng told the cat-eared lady.

"I've ordered the reservoir to be restricted, and not a single mouse will be allowed in." Mina said with a serious face.

Recently, she and Anli, Nicole, Weiya and others are learning hygiene knowledge, especially knowledge about plague and viruses.

"It seems that we can't rely entirely on the water supply from the reservoir." Liu Feng rubbed his chin, thinking about using the siphon principle to supply water to Xiyang City from the Youshui River.

The principle of siphon is to use the force phenomenon of the height difference of the liquid level to fill an inverted U-shaped tubular structure with liquid, and then place the high end of the opening in a container filled with liquid, and the liquid in the container will continue to pass through the siphon flow to a lower position.

In other words, Liu Feng needs to find a river whose water level is higher than the parallel ground line of Xiyang City.

The water supply in Xiyang City is sufficient now, but it will not be enough to increase the number of people in the future, so he has to consider it in advance.

"Young master, are you thinking about the new city?" An Li frowned. She had seen the blueprint of the new city, and it was a large area of ​​high-rise buildings, just like a forest.

"That's right, once the new urban area is established, the water will not be enough." Liu Feng replied casually, took out the map and began to check it.

"Master, there is a lake in the mountains here." Mina looked sideways at the map, and suddenly pointed to the edge of the map and said, "However, it's a bit far from Xiyang City."

"Is it far?" Liu Feng frowned. He knew this lake. It was located in the forbidden mountain range, and the terrain was also very high. It was a lake with flowing water.

Holding a ruler, he looked at the scale and thought about it. If the pipes are supplied by siphon phenomenon, it is enough to supply water for an urban area, and the pressure is also enough to send water to high-rise buildings, which is much stronger than water delivery by reservoirs.

Liu Feng turned his head and said to Mina, "Have someone list that area as a forbidden area for me, and send someone to clean up the surrounding animals."

"Yes." Mina replied quickly.

"It seems that the principle of siphon should also be included in the school teaching knowledge." Liu Feng muttered to himself, the construction of many cities in the future will need to use the principle of siphon, especially some water conservancy and other governance.

He felt that it was necessary to sort out a set of knowledge about siphon water supply, as well as hygiene knowledge.

In hot weather, water sources are easily polluted.

Especially in some cities where there is only one water source, once it is polluted, it is easy to drink to death. There is no water supply plant to treat the water here.

Moreover, after his students go out, the governing side will need some scientific knowledge, and there must be no convenient conditions. It is better to carry water or dig wells all over the ground.

Chapter 0713 Steam engine ship test.

"Anli, people on the construction site, the water supply must be sufficient, and put some salt in it, so as not to have an obvious salty taste."

Liu Feng turned his head and looked at the sun hanging high outside, and ordered, "At three or four o'clock, cook some thin wheat porridge and send it to the people on the construction site. You can't work if you are hungry."

With the current living standards of the common people in the territory, they can still eat meat a few times a week, but many people will save copper coins and want to buy a house or something.

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Therefore, you will definitely be very frugal in terms of meat, so it is difficult to support high-intensity work, especially in the construction industry, by eating oatmeal porridge alone.

At noon in summer, the weather is the hottest, and the sweat is the most, not to mention the consumption.

At three or four o'clock, the workers must be so hungry that they have no strength. It is still necessary for him to provide a little food, which can improve efficiency.

"Okay." An Li took it down carefully, and she also agreed with the young master's approach.

"Tat Tat Tat..."

Nicole came in with a box full of sweat, her fair forehead was covered with flaxen hair covered with sweat.

"Here's something." Nicole put down the box, and quickly took off her thin coat, revealing her sweat-soaked vest, revealing her curvy figure.

"..." Liu Feng blinked his black eyes, glanced at Nicole's figure, and handed over the herbal tea that was put aside.

"Gulu Gulu..." Nicole took the herbal tea and drank it in a big gulp.

"Master, what is this?" An Li looked at the cardboard box.

"Take it apart and take a look, you'll know." Liu Feng said with a smile on his lips.

"Let me unpack it." Mina took out her saber, cut open the sealed cardboard box, and found several strange things inside.

"What is this?" An Li reached out and picked up something the size of two palms. It looked very weird, but the color was very beautiful.

"This is a small electric fan." Liu Feng smiled lightly, and reached out to take the small electric fan in the hands of Hu Erniang.

He bought more than a dozen small silent electric fans on a certain treasure, just to sleep well at night.

The high-power electric fan is a bit unaffordable with the castle's current power supply. I haven't seen him even move the refrigerator and air conditioner here.

Originally, he thought that solar energy and a small hydroelectric generator could handle it, but he didn't expect that so many household lights and a few printers would make the electricity unaffordable.

He's already ordered a large hydroelectric generator, but it won't come until it's disassembled.

I also asked Baicaotang to help buy a set of high-power solar power, which is enough to supply power for large factories.

"Small electric fan? What is this?" An Li curiously picked up another small electric fan.

"Just look at it." Liu Feng took the electric socket and plugged the plug of the small electric fan into it.

"Buzz!"

The small electric fan turned on immediately, and a gust of wind blew up, which made Mina, Anli, and Nicole jump.

"This..." An Li stared at the small electric fan with wide brown eyes in disbelief.

"It's so cool." Nicole moved closer to the small electric fan and pulled the wet clothes on her chest.

"Is it magic? It can actually emit wind?" Enli's eyes lit up.

"How could it be magic." Liu Feng rolled his eyes, stretched out his hand and pressed the third wind speed, and the wind blew even harder.

He explained, "This small electric fan is driven by electricity, and these few buttons can control the wind power."

"Wow! This is magic." Enri exclaimed.

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