Why don't construction cranes have the cab on the ground? Why does it need to be at the top?

@lucifargundam I mean a tower crane. Why have someone climb up there instead of control it from the ground?

@valleyforge sightlines? Cranes support the load from above, so you can pretty safely assume there's no obstruction over the working end of the machine. But if you're lifting a load onto a high horizontal surface, or even holding in place a load above a horizontal surface, you'd see only its underside from below.

@lucifargundam

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