last time i checked this was America
the elevator!
skyscrapers
An passenger elevator is a type of vertical transportation that moves people between floors of a building.
Main purpose of an elevator is to enable the vertical transportation. So, depends on what it is carying,it can be differentiate like passenger elevator,frieght elevator etc..... Hence the main purpose of the passanger elevator is to enable the vertical transportation to the human(passenger).
The elevator spring helps to support the elevator car and counterbalance its weight, allowing for smooth and controlled movement. This contributes to the overall functionality and safety of the elevator system by helping to prevent sudden drops or malfunctions.
Elisha Graves Otis invented the elevator brakes (and thus the first safe elevator) in 1853. His invention made skyscrapers possible.
It permited people to start thinking of building skyscrapers.
The electric elevator, water pressure, and steel.
The invention of the elevator and the invention of steel.
Elisha Graves Otis invented the elevator brakes (and thus the first safe elevator) in 1853. His invention made skyscrapers possible.
One technology that made skyscrapers possible would be the elevator. The other, I suspect is structural steel.
One kind of elevator uses pulleys, but not all do.