In trying to ascertain how much weight is practical to lift, I came across this list of the strongest cranes, which can lift millions of kilograms (thousands of

In trying to ascertain how much weight is practical to lift, I came across this list of the strongest cranes, which can lift millions of kilograms (thousands of metric tons): http://enr.construction.com/products/equipment/2012/0925-the-worlds-biggest-supercranes.asp http://enr.construction.com/products/equipment/2012/0925-the...