Vibrating power device which smoothes a surface, wearing away excess material, by moving sandpaper over it.
A machine that smoothes or polishes by means of abrasive material usually in the form of a disk or belt; Disk sander or Belt Sander.
A sander is a power tool used to smooth wood and automotive or wood finishes. Sanders have a means to attach the sandpaper that does the work. Woodworking sanders are usually operated by electrical power while the ones used in auto-body repair work on compressed air.