Although the purpose of today is to verify the use of cement, there are too many cements, which one has a dozen bags. What bags? Plastic woven bags? Kraft paper bags? Will there be plastic woven bags at this time? That is not a person traveling through time, but a plastic woven bag that travels through time. It is a kind of soft grass woven bag, also called a woven bag. It uses double layers, so that the leakage outside will be less. This is also the lowest-cost bag that Yang Heng thought of. However, in this way, the cement will easily get damp and spill easily. For this reason, Yang Heng specially made a wooden box-type carriage carriage, which is an open box, which will spill in the box even if it spills.

This time Li Yuan was attracted by the guards, which showed how tight the defense in the palace was. The guards said, "Don't check, just check it casually." In fact, they checked carefully. After removing the cement, Yang Heng found at least five small holes at the bottom of the carriage box. It can be seen that the guard's strength was so strong that he wanted to prick it. In this way, if there were people like assassins in the car, even if they were not found, they would definitely be stabbed and injured. Perhaps blood would still be spilled. As a result, the blood did not spill, and the cement powder spilled all the way, and it also led to the Supreme Emperor Li Yuan.

"Wait a minute, grandson-in-law, who is the one who uses sand and stones with mud? And, your gray mud is not sticky, how can you lay it out? Wouldn't it be even more difficult to leave in the future?" What are you doing? Are you trying to show your existence?

"Return to the Supreme Emperor, this is a new material made by me, known as cement. When it condenses, it will be harder than stones." Yang Heng had no choice but to reply to Li Yuan.

"Okay OK. Keep going, I'm really old, I don't know about this new thing." Li Yuan sighed, are you complaining? How do you want someone to answer?

"You guys, spread the mixed ash from this place, right, it must be more than three inches thick. You, continue to mix the ash according to the ratio just now, what, you don't know what proportion is, okay, let me tell you, it's just one part of cement, so many sand, and so many stones, mix them well. Also, all the old generals, work hard, everyone is on the paved top to step on it, which will make the place stronger." There are no vibrators in this era. There are only human-made vibrations, and there are only things to step on it. In fact, there are no need to step on it. Yang Heng just lets these veteran generals and Li Er understand the usage of this cement. If it is really used to pave the road, it really needs to make some artificial vibrations. There are more carriages on the road, and Yang Heng cannot limit the load capacity. Naturally, something is needed to shake the mixed ash.

"Okay, now it's all done. Your Majesty, I've left a place here. One is for cement boards for experiments, and the other is also compared with the cement floor next to it, right?" Yang Heng was just heartbroken by the more than ten bags of cement, and his carriage box, so he only had half of the place for Li Er.

"Yes." "You, come on, this is a wooden smear board. You have smeared it hard and I will take out a half light for it." Yang Heng suddenly found that he did not leave any sand and cement for it to get rid of it, so he started to fool Li Er. "Your Majesty, this place is in the yard, so there is no need to be any light on it. Just smooth it out. If it rains, the top will not slip. Even if it snows, it will be fine. If it is indoors, it will take two or three times of dust."

"Okay, okay." What can Li Er say? Only Yang Heng knows how to use this. He even interrupts and has no idea how to start. He also knows that Yang Heng may be fooling him, but how did he fool him? I don't understand. If he was even a fool in Yang Heng's previous life, he wouldn't fool him. What happened in the yard? Da Guang doesn't want it, Xiao Guang still wants it, three times, two times.

Yang Heng used his homemade iron knife, and found a slash of hair, and it was still possible, but there was no pitfall.

Then, an irregular thin plate with a diameter of about one foot was spread out in the open space next to it.

"Your Majesty, from now on, don't go to the person. You can go to the person after two days. We will verify the strength of the cement board in three days." Finally, Yang Heng breathed a sigh of relief. He was too unfamiliar. He was at home before, so he didn't need to do it himself. But here, commanding people can do something, and then he showed his skills. Fortunately, the people around him didn't understand the use of this cement, otherwise these old guys wouldn't laugh to death!

"I'll leave the knife here to you. I'll arrange someone to come and see you immediately, but don't step on it." Li Er turned around and told an old eunuch beside him, and this old eunuch is the eunuch whom Li Er trusts the most. He saw that he was blind and even felt like he was going to sleep. But the more he did this, the less he could not underestimate it, because every time he saw Li Er, the old eunuch was by his side. Even Li Er took this old eunuch with him when he left the palace a few years ago.

Three days later, I was still here, and a group of old guys, even Li Yuan, came here. They were curious. This cement is so strange. There is such a thing in this world that can be harder than a stone, and it even hardened in such a short time.

When everyone arrived, they were stunned and left a small string of footprints on the cement floor. However, it seemed that Li Er had no objection to this. After everyone asked, it was Li Zhi's masterpiece. It was said that he tried whether the cement was really hard or fake for his father. Then he went up. The final result was that his brother-in-law was a lie. The cement was soft and could leave footprints. But when did he go up? It came after Yang Heng and those old guys left. Even the people watching him didn't dare to care, and even in front of Li Er.

"Your Majesty, the little prince is so smart. Look how ugly it is. After the little prince walks like this, this is a very good painting, which makes the ground look less monotonous. I also tell you that this is what I have walked in here, otherwise I will leave a series of footprints." Who is this? It's so shameless, you can leave footprints on it? Do you think you are a martial arts master, and the ground is stomping your feet and the mountains are shaking.

When the minister came out and walked on it, Yang Heng found that he didn't know him, but he looked at him as a civil servant, and only such shameless people would appear among the civil servants.

"Your Majesty, the little prince is so powerful that he can leave such a string of footprints, but I can't keep any of them." It's funny enough, it seems that he doesn't know what he is studying here.

"Your Majesty, look at this stone slab, it's really solid." You old fairy, you can't be so shameless, is this a stone slab or a cement slab? Do you want to show that Yang Heng was not reacted by the civil servant just now, and now he starts to check the hardness of the cement slab.

"Come here, use your gun to stab it, and use your strength." Then the old fairy directed a guard to start stabbing the cement board, but naturally he couldn't stab it anymore, and even shattered the guard's tiger's mouth. He tried too hard.

"Get a hammer and let a family use a hammer to smash it." Yuchi was not showing weakness, and they all went into battle directly. "General Yuchi, General Yuchi, you'd better smash the ground. If you can't smash such a thin cement board, it's not a cement board, but an iron board." After Yang Heng blocked this, Yuchi hesitated for a while, but the speed was slow, and only a mark was smashed on the cement board. "Yeah, such a small board is so strong, let some family smash it again," Yang Heng didn't stop it anymore, let him smash it. The result is naturally needless to say that the cement board is split in all directions, but the generals were also shocked. Just such a thin board, and Yuchi had to use such a lot of strength. What would this thing be like to build a city?

"Come on, this thin plate is not enough to be smashed. Let someone come to smash the ground." This is Yuchi Laosha, who was so excited that he even hit the ground several times before he smashed a corner. "Your Majesty, I have tried my best, that's it." Yuchi said to Li Er panting. Laosha, don't pretend to be too obvious. (To be continued, please search for Astronomy, novels are better, updated and faster!
Chapter completed!