Abrasive wheel machinery. - 1910.215 | Occupational Safety ...
Types 16, 17, 18, 18R, and 19 cones, plugs, and threaded hole pot balls where the work offers protection. Work rests. On offhand grinding machines, work rests shall be used to support the work. They shall be of rigid construction and designed to be adjustable to compensate for wheel wear. Work rests ...