Chapter 28: The method of burning pottery without building a clay kiln

　　 On the second day, the big brother did not lead people out hunting as usual, but followed Han Cheng, the seven or eight children, and the limp to the river.
　　 There are witches and other people in the tribe who are traveling with him. They are very curious about what good things the son has made.
　　 After one night, these mud embryos have dried a lot, and the water on the surface has disappeared. You can feel it with a light touch with your hands. Compared with yesterday, these mud embryos are much harder.
　　Witch looked at this piece of things, and his eyes showed thoughtfulness. If these things are really hard enough, they can indeed hold a lot of things, and it is really like the child said, far more useful than stone bowls and stone basins.
　　 But the point is that this thing is made of mud, how can it be strong?
　　The witch is very puzzled. Even if he has the knowledge passed down from generation to generation, he still doesn't understand what kind of method the child will use to harden these mud-made things.
　　 Witch is very clever. He knows that the mud is not strong. The son of God must know it. Since the son of God knows and says to do so, then there must be a way to make the mud strong in a way he doesn't know.
　　 "Use fire, burn."
　　 Han Cheng spoke his way in Mandarin.
　　 It’s just that after this method was said, Wu Wu and the big brothers were even more confused, because in their cognition, fire can burn a lot of things!
　　 The mud is burned with fire, shouldn’t it become looser? How can it become strong?
　　 There is no way to communicate, because the explanation of this series of things is really too hard!
　　 Han Cheng had to resort to the old method and attribute all this to the gods. He didn't explain too much, but explained with the final results, which would save a lot of tongue.
　　 Came here to see the big brother who not only didn't understand but was even more confused, and took the same confused people to hunt, Han Cheng took the little guys in the cave, and then made mud embryos.
　　 Witch did not go back, but watched Han Cheng and the minors in these tribes play in the mud.
　　 Watching them make these mud into strange-looking things, after roughly understanding the process, Wu also joined the ranks of playing mud...
On the third day, the mud embryos made on the first day were half-dry. Han Cheng looked at the more than fifty mud embryos placed on the ground, and temporarily stopped the production of mud embryos, but began to lead. These people collect such things as dead grass and twigs.
　　Because it is spring, and people here don’t have the habit of setting fire to the slope, there is a thick layer of dry grass on the ground.
　　 These minors, after hearing about the fire, they can make the things they made by themselves, and they have long been mobilized with a strong interest.
　　 It’s not too tired to be dry and hot.
　　 By the afternoon of the same day, a large pile of hay and firewood had been piled up nearby.
On the fourth day, the first batch of mud embryos were almost dried. Because of the weather, except for three cracks, the rest were intact, and Han Cheng was secretly relieved. It's a good start, right?
　　 Han Cheng threw away the three broken ones, and once again circled an area of ​​about two square meters nearby, let people dig down 30 centimeters deep, and then spread a layer of hay on it.
　　 With the help of the rare big brothers and others, the mud embryos made on the first day were carefully placed on the hay and neatly arranged, leaving a gap of about five centimeters between each mud embryo.
　　 Then, under the demonstration of Han Cheng, the people filled the gaps with the hay scraps they collected yesterday and compacted them with their hands.
Then the withered grass was broken up, mainly with burn-resistant stalk-shaped withered grass. Cover these mud embryos for about ten centimeters each time, and then try to compact them with your hands, and then put the grass until the The cylinder made by Heiwa, which was more than one meter in height, was capped and more than ten centimeters above it. Then he stopped.
　　 At this point, all the pottery has been covered up by the withered grass, without revealing the slightest.
　　 Just when many people, including witches, thought it was possible to start the fire, Han Cheng gave orders that surprised them.
　　Han Cheng didn't let the fire be fired. Instead, he asked someone to fetch water from the river, moisten the floating soil that had just been excavated, and mix it with mud.
　　Different from the relatively hard mud used in making mud tires, according to Han Cheng's requirements, this time the mud is softer and can be called thin mud.
　　Well, Heiwa, Zhuang and the others are playing with the mud...
　　 Under everyone's gaze, Han Cheng picked up the mud and applied it to the pile of firewood covered by the mud embryo. From top to bottom, all the firewood must be sealed up, so that the firewood cannot be seen from the outside.
After the Heiwa came down these days, they were already familiar with playing in the mud. After having Han Cheng’s demonstration and receiving Han Cheng’s order, they began to learn Han Cheng’s appearance and provided this firewood stack from a different perspective. Put on the mud.
　　 At the bottom of the firewood stack, Han Cheng did not let the Heiwa and the others do it, but did it by himself.
　　 Four gaps of twenty centimeters square were left on the four sides next to the ground, which were not sealed with mud.
　　 "Send the fire here."
　　 Han Cheng opened his mouth, and there was no need for him to appoint someone. The Junior Brother Sha, who was watching here, ran towards the cave quickly.
　　 Although he doesn't understand why the son wants to do this, he can still feel the difference from this series of orderly steps ~EbookFREE.me~.
　　 The fire is coming.
　　 Han Cheng took the burning tree trunk from Junior Sha’s hands, and drew up to the four vacancies left, and ignited them one by one.
　　Because they used specially crushed dead grass leaves and the like when filling them before, they were pressed very porcelain by hand, so they did not burn very quickly, and even the open flames did not start much.
Especially after confirming that the fire would not go out, Han Cheng used thin mud to seal the four ignition ports separately, leaving a small hole less than half a centimeter in diameter for ventilation, and the flame inside burned more slowly. Up.
　　 Han Cheng breathed a sigh of relief, and said to Wu, Big Brother and the others that it would take three days to know the result.
　　 This made everyone anxious to know the result a little anxious.
　　 But there is no other way. Everyone stayed here for a while. Knowing that there was no way to see the result in a short time, the big brother took the hunting team out to hunt.
　　 The glacier is enlightened in spring, fish is not as easy to catch as in winter, and hunting of wild animals has become the main source of food for all.
　　 Wu did not go back, but stayed here with Han Cheng and others.
　　 After playing around for a while, under Han Cheng's greeting, a group of underage primitive people began to make mud embryos again.
　　 But different from the concentration in the past, today they seem a little absent-minded, and from time to time they turn their heads to look at the mud-covered pyre, hoping that the silent pyre will soon bring magical things.
　　 Not to mention them, even Han Cheng looked at it from time to time, and sometimes climbed to the ground to see through small holes to see if the fire inside.
　　 After all, this is the first time he has made pottery. He just watched the video once, and he didn't know whether he could do it once.