I was under the impression that someone got in on the ground and then made the arm go up while carrying things and at the end of the day, the person made the arm go down and went home.
But cranes are always up at night. So what do they do? How do they work?
In: Technology
If you’re talking about the big tall ones that look like the letter T, they usually get assembled (or rather, sort of assemble themselves) at the beginning of the project by adding vertical pieces and raising the top part (the “arm”) as more are added, then there is a [little elevator](https://youtu.be/P1wmkxE4Gek) that the operator takes up and down when they are done for the day. The ones on trucks or that don’t have the big tall vertical bit usually have the operator area closer to the ground.
As another user mentioned, they might also hold stuff on it at night to make it harder to steal. Same reason you’ll often see excavators left with the scoopy bit resting on other attachments or equipment. Basically the Thor’s hammer approach to security heh.
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