A grinder, typically with a pair of grinding wheels (one at each end of the motor shaft) that is designed to be permanently mounted on a workbench.
A machine to mechanize the process of sanding.
A device which spreads sand on the rails in wet, snowy, icy, slippery conditions to improve traction.
A person employed to sand wood.
A small device resembling a salt shaker but containing sand that was shaken over a document to remove excess ink.