yosseffahmadelb yosseffahmadelb

28-04-2018
Social Studies

contestada

what two technologies made the building of skyscrapers possible in the late 1800s

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Reidale Reidale

28-04-2018

I believe it's Steel & elevators

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princessalane princessalane

28-04-2018

One technology that made skyscrapers possible would be the elevator. The other, I suspect is structural steel.

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