Rollover Protective Structure (ROPS) : Vehicle structures such as roll-bars, frames, roll-protective cabs etc., designed to prevent the vehicle operator from being crushed as a result of a rollover
US Department of Labor, OSHA Construction eTool: Glossary (General Construction: electrical Incidents, Falls, Struck-By, Trenching And Excavation) Occupational Safety & Health Administration OSHA, Washington, D.C., USA 2010. https://www.osha.gov/SLTC/etools/construction/glos sary.html, (OSHA/Gen Const - Amer) {615}