Glass is a material that must be in a building. Glass is usually used as a raw material for windows, even tables. From behind the glass, sunlight can penetrate into the room.
The first type of glass is stained glass, which has a wide choice of colors. Usually this type of stained glass is cut into small pieces in various colors and then arranged using lead blades into a picture like a mosaic work. This type of stained glass is generally found in house buildings.
