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Elevators do suck. But it beats walking up 50 flights of stairs. I do inspections in skyscrapers and it sucks when I have to go to the 60th floor because typically I have to get off at an intermediary level and get onto another elevator cab to get to the higher levels.

There are two primary types of elevators: Hydraulic lift elevators and pulley elevators. Most people think they are all pulley elevators. I believe the hydraulic elevators are more prone to being in low-rise buildings whereas pulley elevators are more common in high-rise. I could be mistaken.

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I think this is correct: 500 feet of hydraulics would be super expensive, and low story buildings dont have much distance for the hydraulics to cover.