safe work practices an inertia reel shock absorbing fall protection hook lanyard device clipping hanging on handrail

vehicle transport mast construction industry tower wood iron stadium machine factory boat ship bridge watercraft asphalt safe work practices inertia reel shock absorbing fall protection hook lanyard device clipping hanging handrail defocused worker working heights restraint background access active activity arrest brake closeup concept connected engineering equipment fixed height helmet industrial inspection isolated lifeline maintenance manufacturing object occupation occupational health safety professional protective rescue retractable rope scaffolding secured security service absorber straining supervisor system task technology