The word saw means "saw" in Chinese. This is a tool for cutting wood or other materials. Saws are widely used in woodworking and construction industries. It consists of a saw blade and a handle. By pulling or pushing the handle, the saw blade can be moved up and down to cut materials. There are many kinds of saws, including wood saws, stone saws and metal saws. Different saws are suitable for different materials.
Wood saw is one of the most commonly used tools for woodworking. It can be used to cut all kinds of wood, including cork and hardwood. The saw blade of wood saw is usually made of carbon steel or high speed steel, and its shape and size can be changed according to different uses. Wood saws usually consist of a handle and a saw blade. One end of the saw blade is usually fixed on the handle, and the other end can move freely.
When using the wood saw, the material is placed under the saw blade, and the saw blade moves up and down by pulling or pushing the handle, thus cutting the material. Besides wood saws, there are other saws that can be used to cut different types of materials. For example, a metal saw can be used to cut hard materials such as metal and glass, and a stone saw can be used to cut hard materials such as stones. The structure and design of these saws are slightly different to meet the cutting requirements of different materials.
In a word, saw is an important tool widely used in various industries. It can move the saw blade up and down by pulling or pushing the handle, thus cutting various types of materials. There are many kinds of saws, so you can choose the right saw to use according to different needs.
The significance of learning English:
1. Learning English is a window to the world. English is one of the most extensive and important languages in the world. From all over the world, nearly two billion people speak English. English is the language of international network, finance, air traffic control and pop music, covering all aspects of human life. Learning English well is like opening a window to the world.
Learning English is the need of national development and reform and opening up. With the rapid changes in recent decades, China has developed rapidly in all aspects, but we still have a certain gap with developed countries in many technical aspects. To learn advanced technology, you must master English before you can have technical exchanges. If you don't know English, you can't connect with the world.
3, the exam needs, learning English well is very helpful for further study. Not only junior and senior high school students need to learn English, but also college students need to learn English. There are CET-4 and CET-6 exams for undergraduates. Not only will the work unit look at their own CET-4 and CET-6 scores, but the postgraduate entrance examination and re-examination will also examine students' oral and listening abilities.