Foundation
part · 7000 BC · Stone Age
The base of a building.
What it is made of
- Pile — has part. A pile foundation.
Principles and materials it uses
- Concrete — is made of. Concrete.
- Stone — is made of. Ancient foundations were laid of stone.
- Pressure — uses. A wide base reduces the pressure on the ground.
Where it is used
- Skyscraper — is part of. A deep foundation.