NIOSH: Preventing Injuries When Working with RideOn Roller .
WEBThe worker was operating the roller, with the enclosed cab door open, back and forth over a builtup road bed. She backed up near the edge, and the earth under the rear tires gave way. When the roller tipped over the embankment, the unrestrained worker was partially thrown from the open door of the cab and pinned under the ROPS.