What does agriculture have? What are the uses?

2. The car has been sown.

3. Plough: Plowed

4. Pole: Pick something.

5. sickle: used to cut rice

6. dustpan: used to hold things

7. hoe: hoe

8. Iron harrow: harrow the ground.

9. Turn over: Irrigation

1. From primitive times to slave times, stones and wood were the main materials for making tools, including farm tools. There are different processing techniques and methods for making tools with stones in different times, and there is also a long and complicated development and evolution process.

2. From the initial indiscriminate use of natural stone, to the initial beating, to the simultaneous beating and grinding, to the choice of stone, to determine the processing object and processing method according to the stone, and to explore the techniques of tapping, rubbing and drilling, etc. From groping to maturity, the process is quite long, its technology and methods are also quite complicated, and its exploration is also quite arduous.