"Coal?" Lu Wenfeng blinked and asked, "What the lord said is that coal and stone are used for striking iron?" ”

Li Mu nodded.

"Uh......" Lu Wenfeng didn't know how to answer, he couldn't figure out what Li Mu meant, this is something that even Huangkou children know, will adults not know? Or is he pretending to be confused and wants to take the school exam with me? No, no, no, what's so good about it. Is it just to find fault? But I didn't offend him!

The more he thought about it, the more confused he became, Li Mu watched Lu Wenfeng's face change constantly, and said, "Lu Langzhong, if you are really uncomfortable, this official allows you to take leave and go home......"

Hearing the word "go home", Lu Wenfeng sobered up when he boarded, and said in a loud voice: "My lord, the lower official is not uncomfortable, the lower official actually knows, but the lower official ...... Xia Guan didn't understand why the adults asked such a superficial question. My lord, if the lower official offends the adult, please make it clear that the lower official is not young and can't stand the fright. ”

"I really don't know!" Li Mu said helplessly: "Ben Hou is out of the side, we don't have coal and stone there, how do we know if we can use it or not?" ”

"I see!" Lu Wenfeng let out a sigh and explained: "My lord, this kind of thing is coal and stone, and it smells when it burns. It must be ventilated, and if it is not ventilated, people will be poisoned by coal. In the cold winter, the doors and windows are closed, and the ventilation is not smooth, so you can't use coal and stone for heating. Saying that, Lu Wenfeng sighed and said: "There is also that extremely poor family, forced by the family situation, using coal and stone for heating, life is good, life is not good, the whole family is dead." ”

"That's the ......" Li Mu looked abrupt, and he knew it in his heart. It seems that in this era, all that is used is raw coal. Because there is no coal washing process, coal contains a large amount of ash and sulfur, and these components will produce a large amount of toxic gases after combustion. At the same time, the air circulation in winter is not smooth, and it is easy to produce carbon monoxide when coal is not completely burned. People in this era don't understand the reason, so they call it 'poison'.

But these things can be solved! Even if it is difficult to prepare coal, don't forget that it is the Tang Dynasty now, and there are mines everywhere that no one has touched. Those coals with a lot of impurities, you don't need them. Some are open-pit coal mines, digging one by one, and you can always find a low impurity content. And Li Mu still remembers that there is something called anthracite, although he doesn't know where it is, but he is a waiter in the Ministry of Works, and he can send someone to find it!

Find it, dig it! With coal, everything is easy to do!

Lu Wenfeng was shocked when he saw Li Mu's eyes. What's wrong with Lord Shirou today, how can I ask some brainless things.

"Lu Langzhong, let me ask you one more thing. Where can coal be mined? ”

"Coal and stone are not uncommon, there are coal and stone near Chang'an, Bin County, Changwu County, Tongchuan and other places. But the place with the largest number is Shuozhou, north of Taiyuan, where there are full of pits and valleys. ”

"Taiyuan ......" Li Mu muttered again, muttering: "Taiyuan? That's right, Taiyuan, Shanxi! How did I forget this! ”

Li Mu slapped his thigh and secretly scolded himself for his bad memory. I learned geography in junior high school in vain, and I forgot about Shanxi. It's winter, so we have to hurry!

"Lu Langzhong, you are very good. I'll give you one thing, give me a list of the places you know where iron, coal, copper and other minerals are produced. Tomorrow before noon, send it to my house. Before this is done, let everything else go! ”

After Li Mu finished speaking, he left in a hurry, and Lu Wenfeng looked at Li Mu's back in a daze, not understanding what he was going to do at all. Shake off his sleeves and wipe the place where Li Mu had sit. picked up a dossier, thought about it and put it down, found a pen and paper, and made a list according to Li Mu's meaning. Lu Wenfeng has been in Yubu for decades, and he already knows the origin of various minerals, so he doesn't need to check it at all.

Li Mu left from Lu Wenfeng, and then took Li Chongyi and a few guards to the stockyard of the Ministry of Industry. He has now been promoted to the rank of squire of the Ministry of Works, and is the de facto head of the Ministry of Works, so the stockyard is naturally completely open to him. Whatever he wants, he just needs to give it a command, and someone will take it out. But the accounts still have to be recorded, otherwise Li Mu will sell these things, and it will be the people who take care of them who will be held accountable.

Li Mu took two carts of iron ore and three carts of coal, which were pulled by a few thin horses from the Ministry of Industry, and returned to the Zhulu Hou Mansion tremblingly. The skinny horses never seemed to have traveled so far, and when they reached the door, they almost fell to the ground. Li Mu couldn't bear to look at it, so he took a few dollars to the handlebar type, and asked him to buy forage to feed these meritorious horses of the Ministry of Industry, and at the same time put the establishment of the Ministry of Industry Transportation Team on the agenda in his heart.

With the help of Ergou, Zhang Tianai's food purchase went very smoothly. I paid a fixed amount of money at the three grain and rice shops and made a deed. In two days at most, the food needed by Zhangjiazhai can be fully raised. Zhang Tianai was also idle, and in the afternoon, he followed Bai Qiaoqiao to go to the East Market for a walk. finally got what he wanted and bought rouge gouache from Chang'an City.

Zhang Tianai likes rouge gouache, but she doesn't like it as much as ordinary women. She bought rouge gouache, which she rarely used to apply, but used it as a collection. Just like many people in later generations buy sneakers not to wear, but to post on social media.

Longyou has a dry climate, the wind and sand are all over the sky, go out for a walk on horseback, come back with a gray face, and no lover, who is smeared with rouge? She bought rouge just out of a woman's instinct.

Not only rouge, but also clothes. As the eldest lady of Zhangjiazhai, no one can lack her. Growing up, she had a lot of beautiful clothes. She basically has the popular styles in the Central Plains, but she hasn't worn them much. She grew up in Zhangjiazhai and saw horse bandits. The environment was not suitable for wear, and because her father had no son, she had to take on something that should not be borne by a daughter. Can I wear silk when riding a horse and archery?

Therefore, Zhang Tianai's daughter's clothes are all worn inside, and the outside is always a corset leather armor. With armor on the body, there is no distinction between men and women. This time, I came all the way to Chang'an to sell furs, and in order to make it easier to do things, the clothes inside and outside were changed to those worn by men, and I didn't bring a single woman's clothes. Seeing this, Bai Qiaoqiao secretly bought her two sets of the most popular underskirts in Chang'an in Dongshi, and had to let her change them. Zhang Tianai was embarrassed, one persuaded the other, the other hid, and made a mess.

In the end, with the help of Li Zhien, Zhang Tianai still didn't resist Bai Qiaoqiao, and changed the skirt on the spot with half a push. Zhang Tianai was born beautiful, with a slender figure, and usually looks a little manly because of her dress, but after changing into a skirt, it is very different. Even the trace of heroism between the eyebrows seems to have faded a lot, but it is just a little less charming than ordinary women.

Bai Qiaoqiao smiled and touched Zhang Tianai's chest, and said, "Sister Tianai, always wearing a chest will make your blood flow poor, how good do you think it is?" ”

"You!" Zhang Tianai said helplessly: "You are going to die, Qiaoqiao, why didn't I find out that you were so good at making people like this before, I must have learned from your bad husband." ”

"I didn't ......"

Bai Qiaoqiao was about to speak, when suddenly Li Mu's voice came from outside the house: "Which one is saying bad things behind my back, how can I become a bad husband......" Li Mu walked in, saw Zhang Tianai in a skirt, was stunned for a while, and spit out a 'wow'.

Zhang Tianai was so ashamed that she hid behind Bai Qiaoqiao, but she was half a head taller than Bai Qiaoqiao, where could she hide. Bai Qiaoqiao pulled her over from behind and said with a smile: "Sister, you see that you have scared your husband." Husband, I didn't expect Sister Tianai to be so beautiful in a skirt, right? ”

"I didn't expect it, I really didn't expect it." Li Mu told the truth, Li Zhien next to him secretly rolled his eyes when he saw this, my stupid lady, I have never seen such a stupid woman as you, do you think your rival is not enough? When someone wears armor, she is already a beauty, and you still help dress up...... If it goes on like this, it won't take a few days, and you'll have to help Zhang Luo get married!

"This skirt is very good, it suits you very well!" Li Mu couldn't help but praise again, Zhang Tianai saw that his tone was sincere, and his heart was also very useful, he raised his head and looked at Li Mu with shyness, and asked, "Is it really good-looking?" ”

"Well, it looks better with some makeup."

"Yes!" Bai Qiaoqiao took the rouge that Zhang Tianai bought, shook it in front of Li Mu's eyes, and said, "I also bought rouge, here." ”

Li Zhien couldn't stand it anymore, so he turned around and hid. How did you follow such a heartless lady!

Li Mu still had points in his heart, so he didn't stay to watch Zhang Tianai put on makeup, and simply asked if things were going well today. After receiving an affirmative reply, he left to work in the studio in the front yard. At this time, there was still some time before dinner, and he was about to take care of what he was going to do next, prioritizing and prioritizing them, so as not to be in a hurry.

Bai Qiaoqiao's makeup skills were also slowly pondered after coming to Chang'an. In Mayi before, Bai Hao'er rarely gave her money, and occasionally gave a little, and she also saved up to help Li Mu's family. I almost never bought rouge gouache, and after arriving in Chang'an, Sun first took her to Dongshi to buy it, and then Li Mu told her several times to be willing to spend money, and Bai Qiaoqiao gradually bought a lot of rouge gouache.

At first, she didn't know much about makeup, but after Li Zhien came, she taught her a lot of makeup techniques, and slowly became proficient.

"That's it!" Bai Qiaoqiao dipped a plum blossom in fish glue and pasted it on Zhang Tianai's eyebrows, completing the last step of makeup. Zhang Tianai looked at himself in the bronze mirror, and suddenly didn't know what he thought, and two blush appeared on his cheeks.

Bai Qiaoqiao watched from the side and muttered, "Sister Tianai, you are so beautiful." ”