1. Fine sand: When painting the walls, some lime water may stick to the glass Windows. To remove these lime stains, it is rather difficult to scrub them with ordinary clean water. Therefore, just wipe the glass window with a damp cloth dipped in some fine sand, and the glass can be cleaned easily.
2. Kerosene + chalk dust: Drop a few drops of kerosene on the glass, or apply a mixture of chalk dust and gypsum powder with water on the glass and let it dry. Then wipe it with a clean cloth or cotton. The glass will be both clean and bright.
3. Toothpaste: If glass furniture has been around for too long, it will turn black. You can apply toothpaste to a fine cloth and wipe it, which can restore the glass to its clean state.
4. Egg white water: After washing fresh eggshells with water, a mixed solution of egg white and water can be obtained. Using it to clean glass will also enhance its luster.
5. Kerosene or white spirit: When there are old stains or oil stains on the window glass, drop a little kerosene or white spirit on a damp cloth and gently wipe it. The glass will soon become clean and bright.
6. Vinegar: If there is paint or dirt on the glass, apply some vinegar on it. After it softens, wipe it off with a clean cloth.
7. Old newspapers: Wipe with slightly damp old newspapers. When wiping, wipe vertically up and down on one side and horizontally left and right on the other side. This way, it's easier to spot any missed areas.
8. Alcohol: First, rinse it with warm water, then wipe it with a damp cloth dipped in a little alcohol. The glass will be particularly bright. (The method is derived from the Internet