A wide belt sander is a machine that is used to smooth and level surfaces, such as wood, metal, or plastic. It typically consists of a conveyor belt that runs over a set of rollers, with one or more sanding heads mounted above the belt. The sanding heads can be adjusted to different heights and angles to achieve the desired surface finish. Wide belt sanders are commonly used in woodworking and metalworking shops to prepare surfaces for painting or finishing. They are also used in the manufacturing process of products like furniture, flooring, and cabinets.