Why Cranes Keep Falling

Why Cranes Keep Falling:
"Statistics from the United States Dept. of Labor's Bureau of Labor Statistics shows that the United States suffers nearly 90 crane-related deaths per year.
But crane collapses and their consequences—everything from property damage and lost time on a project all the way up to injury and death—aren't new to the modern-day crane, of course, with data showing a fairly consistent pattern.
What's changed is the size of the machines..."