The crane fell over because the workers who wanted to land a heavy dozer on the construction site could not calculate the weight of the dozer.
FAL 0149 Dozer landing fails
Cevapla

The crane fell over because the workers who wanted to land a heavy dozer on the construction site could not calculate the weight of the dozer.
Dozer going from one point to another to work was submerged by icebreaking
Great care must be taken to transport or unload heavy machinery, otherwise the results may be bad