1. The partition board of the shoe cabinet should not be installed all the way to the top; leave a little space so that the dust from the shoes can fall to the bottom layer. Install lights above the sink and gas stove. When determining the position of the floor drain in the bathroom, you must plan ahead and measure the dimensions carefully. The floor drain is best located on the side of the tile; if it's in the middle of the tile, no matter how the tile is tilted, the floor drain will not be at the lowest point.