Watching the awful tragedy caused by the earthquakes in Turkey, and in general, the biggest problem is obviously removing the rubble to rescue people, why do they not install a crane (2+ days) and use mobile ones in the meantime?
In: 5
You’ve already hit on the biggest reason: crane deployment is slow. The two days you cite are the difference between life and death for most trapped people.
Their primary purpose is to lift very heavy things precisely, not what you’re trying to do in a rescue situation where time is so critical.
Further, equipment flexibility: you can quickly roll in and use an excavator to lift things like a crane (rigging eye on the bottom of the bucket) but you can’t dig anything up with a crane.
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