Basically steel, concrete and glass
elevators and skyscrapers
They could loosely be said to have invented skyscrapers as they made use of six or seven storied apartment buildings called "insulae". They could be considered the skyscrapers of their time.They could loosely be said to have invented skyscrapers as they made use of six or seven storied apartment buildings called "insulae". They could be considered the skyscrapers of their time.They could loosely be said to have invented skyscrapers as they made use of six or seven storied apartment buildings called "insulae". They could be considered the skyscrapers of their time.They could loosely be said to have invented skyscrapers as they made use of six or seven storied apartment buildings called "insulae". They could be considered the skyscrapers of their time.They could loosely be said to have invented skyscrapers as they made use of six or seven storied apartment buildings called "insulae". They could be considered the skyscrapers of their time.They could loosely be said to have invented skyscrapers as they made use of six or seven storied apartment buildings called "insulae". They could be considered the skyscrapers of their time.They could loosely be said to have invented skyscrapers as they made use of six or seven storied apartment buildings called "insulae". They could be considered the skyscrapers of their time.They could loosely be said to have invented skyscrapers as they made use of six or seven storied apartment buildings called "insulae". They could be considered the skyscrapers of their time.They could loosely be said to have invented skyscrapers as they made use of six or seven storied apartment buildings called "insulae". They could be considered the skyscrapers of their time.
the elevator!
Steel made it possible to build Skyscrapers. Answer "construction of skyscrapers"
Steel.
One technology that made skyscrapers possible would be the elevator. The other, I suspect is structural steel.
search it up online
Well, Skyscrapers are now being put in more time to do construct it and the empire state was not that tall compared to today's buildings like the world largest building The burjaman Khalifa
Concrete and steel.
elevators.
no. skyscrapers are made of titanium alloy. if they were made of iron, they would snap like a twig
elivator