While Wang Tian and Wu were brainstorming, time passed bit by bit, and after 5 rounds of running back and forth between the people who went to the quarry and Xiao Fuma, the quicklime and stone materials for building the foundation of the wall were in place.

At this time, above the red brick kiln in the direction of the workshop, the water vapor and smoke have become much smaller, and the brick kiln has entered the firing mode with full firepower.

At this time, the construction of the foundation of the wall also officially began, and only two people were arranged for the follow-up collection of stones, and Wang Tian asked them to drive Xiao Fuma to collect stones around the tribe.

Regardless of the size of the stone, as long as it is not weathered, other hard stones are fine.

On the side of the foundation close to the cliff wall, dig into the cliff wall more than 15 cm, and in the future wall construction process, the wall of the wall will penetrate into the cliff wall a little at a certain height.

In this way, the wall and the cliff wall can be connected more tightly to build a whole, even if the foundation sinks in the future, there will be no obvious cracks on the side of the wall against the cliff wall.

At the other end of the wall near the cliff of the observation deck, Wang Tian designed it as a 7-shaped corner, the corner is facing the direction of the cave, standing on the outside of the wall, if you don't look closely, you can't find it. This helps to strengthen the stability of the entire fence.

Of the eight people who remained with the tribe to build the foundation, two were responsible for mixing the lime mortar, and the two started from both ends to build the foundation.

Two of the four people in charge of continuing to excavate the earthwork of the foundation were responsible for knocking into the ground with a Luoyang shovel made of hard stone to loosen the soil in advance so that the other two could excavate with stone hoes.

Farm tools made of stone can now be mass-produced after the invention of hand drills, and Wang Tian uses the hardest quartz stone as a drill bit.

The use of stone grinding method greatly accelerates the drilling time on the stone, but no matter how hard the stone, there is no toughness, and the stone hoe excavates the hard and compacted soil layer, which is easy to break from the position of the wooden handle mounting hole.

Wang Tian had no choice but to make a batch of Luoyang shovels, this tool is actually different from the real Luoyang shovel, it is ajar, and the effective digging depth will not exceed 30 centimeters.

The breakage rate of this vertical digging tool is much lower than that of stone hoes and stone shovels.

Although the Luoyang shovel is relatively cumbersome because it is made of stone, after grinding the blade, the half-moon-shaped blade is specially made, which just uses its own weight to go deep into the soil, and it is not difficult to use, the most important thing is that its efficiency and life are much higher than that of the stone hoe.

As for the construction of foundations and walls, Wang Tianke was a complete layman, he had only seen others build them in later generations, but he had never done it himself.

I don't know much about all the technical indicators, and in the short video social software of mobile phones in later generations, I often see that the good wall has been knocked down and rebuilt, but I am confused, and I can't understand the reason for the reconstruction.

Therefore, in the construction of the wall, he could not say anything, but could only cross the river by feeling the stones, and use the ambiguous architectural knowledge obtained scattered in the information age of later generations, trying to use stones of different sizes and under the bonding of lime mortar to pile up a flat foundation on three sides.

The reason why it is required to be flat on three sides is because the soil on the observation deck is beyond Wang Tian's imagination, and many places below 20 cm are already on the ground.

There is no need to dig down at all, which greatly shortens the workload of the four people who excavate the earth, but at the same time, in order to maintain the overall stability of the foundation, the fence wall 30 centimeters above the ground will also be stacked with stones.

According to Wang Tian's understanding, the foundation only needs to be built with porcelain, and the small gaps between each stone are all filled with lime mortar.

First, lay a thick layer of lime mortar at the bottom of the foundation, and then select stones to insert on the lime mortar in a staggered manner, and then choose small pieces of stone after covering a layer of mortar in the place where the gap between the stones is large

block to be filled.

The foundation is divided into two layers, and the part buried in the ground is piled up first, and this layer only needs to ensure that the top surface is relatively flat.

The part beyond the ground has to be leveled on three sides, which estimates that it will take some time, and the underground part is built quickly, and the excavation of the foundation earthwork can no longer keep up with the speed of stacking.

Wang Tian asked the two people who were building the wall to stop, and helped the four people who were digging the foundation to dig the foundation first.

During the construction of the entire fence, Wang Tian will supervise the whole process to ensure the quality of the project. To do this, he needed to make a batch of construction tools.

For example, the plumb used to test verticality is tied with a very light thin wire tied to the top, and a heavier weight is hung underneath.

The weight is made into an inverted cone, and after the plumb is suspended, the plumb is vertically pointed downward to the center of the earth, and the object next to it is compared with the plumb line to determine whether it is vertical.

Wang Tian made a few of them out of thick and dense wood, and had a batch of small straw ropes rubbed together as a tool to measure whether the wall was horizontal and straight.

As for the level, Wang Tian planned to let Kuroko burn a 1.5-meter-long sink instead. Judge whether it is level by observing the depth of the water level at both ends of the sink.

Called Kuroko and Big Hands, told them the details of the sink, and told them to make a few more spare.

Nowadays, the production of pottery is based on the efforts of Kuroko and Ote, and the variety is constantly enriched, and the use of turntables also makes the appearance of pottery more regular and beautiful.

During this time, they tried to use a kiln for firing, and now it is no longer a problem to make a 1.5 meter tank.

Through the selection of clay of different materials, red pottery, black pottery, and glazed pottery have been fired.

With a bright glaze and a smooth surface, such porcelain has reached a fine standard and is fully feasible for trade, barter, or dowry, as well as the population expansion plan that Wang Tian had in mind.

Kuroko and Ote, who have recently begun experimenting with firing faience, are painted on pottery adobe using natural pigments from plants and various minerals, and then firing.

The effect is there, but it is not successful, the pigments of various plants and natural minerals, after being fired at high temperatures, will produce unexpected changes in color, and the two of them are a little at a loss for this.

After the two found Wang Tian, Wang Tian prompted the two to make a batch of pottery plates, test various pigments on them, make detailed records of the materials used, and find out the pigments that form red, yellow and blue colors after firing.

The three pigments are then blended with each other to obtain a variety of other colors.

For various pigments that change color after firing, it is not possible to visually see the style of the finished product by using this method, but it is enough to make solid color pottery.

Wang Tian explained to them in detail the relationship between the three primary colors, and when Heizi and Dashou saw Wang Tian using red, yellow and blue, they could configure almost all the colors they had seen.

Both of them were amazed, and were once again impressed by Wang Tian's divine skills, and Wang Tian did not put on an expression of a divine stick at this time.

Just let the two of them try it out on their own, then remember which color mixtures can be used to configure the new colors, and then make a note of them one by one.

Wang Tian is no longer involved in the matter of pottery making, and completely leaves it to Kuroko, after the last conversation, Kuroko's technology and thinking ability have made great progress.

As the leader of the tribe's pottery production, Kuroko can now stand alone and take the lead.

In the division of labor among the tribal personnel envisioned by the Celestial King, Kuroko was responsible for the production of ceramics; Xiao Ling is responsible for bamboo making and weaving.

Ote, the second brother of King Kong, is in charge of the making of stone tools, and will be in charge of the production of metal tools and weapons in the future, while Liu Bei is in charge of things related to carpentry.

As the commander-in-chief of the group army of the tribal armed forces, the boss will supervise the whole process of making metal tools in the future, and for the construction of walls and houses, Wang Tian plans to let Slender Toutuo be the captain of this contractor team.

For this reason, when the materials for the construction of the foundation of the wall were in place, Slender Toutuo was also transferred to participate in the construction of the wall.

Once all these people can stand alone, Wang Tian can completely get rid of these cumbersome affairs, and only then can he start planning the whole thing of the tribe.