why the are dangerous
construction are subject to electrical hazards cave in and falling objects. the biggest risk is falling more then 250 construction worker a year are killed. the biggest danger is them falling or something falling on them.
In road construction, a major cause of death is getting struck by cars or construction vehicles, said Schneider. In loaded dump trucks, for example, drivers can't see where they're backing up. To avoid fatalities from construction vehicles backing up into place, trucks should be equipped with radar and cameras, Schneider said.