4 ms·
I am surprised by the load bearing power of steel, the total height of a crane made of steel + the counter weight + the weight of what it's lifting, that's a lo
by asdlfj2sd33 17y ago
I am surprised by the load bearing power of steel, the total height of a crane made of steel + the counter weight + the weight of what it's lifting, that's a lot of force at the bottom of the steel tower.