1. In architecture, a window refers to an opening built on a wall or roof to let light or air into a room. In fact, the original meaning of window and door refers to window and door respectively, while in modern Chinese, window only refers to window. "Window" was originally called "chimney" ("chimney" is a common word), that is, a hole is left in the wall, and the window lattice in the frame can transmit light or smoke, and the prefix "hole" is added to form pictophonetic characters. Shuowen said: "Those who go up the wall are called it, and those who go up to the temple are called it". Windows, or through holes. "
2. The window of modern window consists of three parts: window frame, glass and moving parts (hinge, handle, pulley, etc. The window frame is responsible for supporting the main structure of the window, and the material can be wood, metal, ceramic or plastic. The transparent part is attached to the window frame, and the material can be paper, cloth, silk or glass. Movable parts are mainly made of metal materials, and may be wrapped by heat insulation materials such as plastic where people touch them.
3. Plastic steel: Because it is made of plastic, it is light in weight, good in heat insulation and relatively low in price. Because we often have to face the wind, rain, sun and rain, we are most concerned about the aging problem of plastic steel windows. In fact, the service life of high-quality plastic steel windows can reach about 100 years.
4. Function: Windows are not only used to see the scenery outside, but also determine the quality of life to a great extent, but sometimes many problems are not noticed at all.