Generally, water, electricity, tile, wood and oil are used in the interior decoration of furniture. The water mentioned is the water conservancy engineer who is responsible for the renovation and laying of hydropower in the decoration project. The shop owner represents the electrician who is responsible for the circuit reconstruction and laying in the decoration project, and the tile is responsible for the cement project to the bricklayer. Wood refers to the carpenter who is responsible for making all kinds of wardrobes, wooden doors, ceilings and so on. As the name implies, he is also a painter who is responsible for painting walls or furniture.