What skyscraper is made of
A tall building on a steel frame (Home Insurance Building).
- Steel frame — has part. A steel frame.
- Elevator — has part. A skyscraper is impossible without a lift.
- Foundation — has part. A deep foundation.
- Tuned mass damper — has part. A damper.
- Reinforced concrete — is made of. Reinforced concrete.
- Float glass — is made of. Glazing.