During the Warring States period, what was invented based on the wool grass cutting hand

Invent the saw. Born into a family of craftsmen, Luban learned a variety of crafts from his family since he was a child, especially in carpentry. As it is both smart and studious. As a result, at a young age, he became known as a skilled craftsman in the Shire.

The saws used in woodworking today are said to have been invented by Luban. How did he invent the sentence? Here's another touching story.

One day, Luban and his apprentices were given a task to build a royal palace. The palace was built in a majestic way, so the project was quite large. Harvesting large quantities of timber is even more urgent.

At the beginning, Lu Ban led his apprentices to take axes and go to the mountains to cut wood. However, in the face of tall and thick towering trees, it is very laborious to cut them with only the axe in hand. After a few days, their master and apprentice were tired, but the trees cut down were far from meeting the needs of the palace building.

What to do? Lu Ban's heart began to become anxious.

One day, Luban went to a steep mountain to look for wood to use as a pillar. While climbing a small steep slope, waiting for a stone to shake suddenly, he hurriedly reached out and grabbed a clump of thatch by the side of the road. With an "oops", his hand was cut by the thatch, oozing blood.

How can such an inconspicuous thatch be so sharp? Looking at the few small openings in his palm, Lu Ban fell into deep thought.

So, forgetting the pain of the wound, he pulled up a handful of thatch, and examined it carefully, and found that there were many sharp little teeth growing on the edges of the leaves. He used these secret little teeth to lightly scratch the back of his hand, and actually cut another gap.

Just as he was pondering the reasoning, he suddenly saw several large locusts in the grass, their big teeth closed one by one, and they were quickly devouring the blades of grass. He caught the locust, and when he looked closely, it turned out that the locust's teeth were also densely packed with small serrations. He muttered thoughtfully to himself

Oh, it turns out that they use these serrations to bite through blades of grass, no wonder they eat so fast! Thinking of this, his mind flashed: If I also used a tool with many little serrations to the trees, wouldn't I be able to cut the wood very quickly?

That's certainly a lot less effort than chopping with an axe.

So, he asked the blacksmith to make dozens of pieces of iron with sharp small serrated edges and took them to the mountains for experiments. He and his apprentice pulled one end each, sawed back and forth on a tree, and sure enough, it was so good that the tree was quickly sawn off.

Luban gave this newly invented tool a name called "saw". Later, he installed a handle in the shape of "Gong" to the saw, which was much more convenient to use. With the evidence, the cutting of wood was much faster, and the magnificent palace was completed on schedule.

Information**.

Luban invented the saw based on the hairy grass cutting hand.

Observing the toothed leaves, the data was invented.

Observe toothed blades of grass and invent saws.

1. The oars imitate the scales of a fish.

2. The roof corrugated imitates the scale armor of animals.

3. The saw learns sawgrass grass.

Luban observed that silk thatch invented the saw.

It was as if observing a kind of grass and inventing the saw.

Lu Ban invented the wood saw and became the ancestor of carpentry.

After Lu Ban went up the mountain to row wood and was scratched by the grass, he found that the grass had jagged teeth, and went home to imitate making a wooden saw.

Luban also invented saws, drills, planers, shovels, curved rulers, and ink fountains for marking.