Seaport
device · 2500 BC · Ancient world
A harbour with quays.
What it is made of
- Container crane — has part. Container cranes.
- Breakwater — has part. A breakwater.
- Lighthouse — has part. A lighthouse.
Principles and materials it uses
- Stone — is made of. Quays and moles were built of stone.
- Sailing ship — uses. A port receives ships.