![falls2](https://img.equipmentworld.com/files/base/randallreilly/all/image/2014/04/eqw.falls2.png?auto=format%2Ccompress&q=70&w=400)
The accident: A construction crew was removing screws from metal sheets on the roof of a building scheduled to be dismantled. A portion of the roof gave way, causing a worker standing on that section to fall through to ground level and hit his head on the concrete floor.