Sewerage
device · 2500 BC · Ancient world
Draining waste water; the Cloaca Maxima, Bazalgette’s London system.
What it is made of
- Sewage treatment plant — has part. Treatment plants.
Principles and materials it uses
- Gravity flow — uses. Waste water flows down a gradient.
- Brick — is made of. The drains of Mohenjo-daro are lined with fired brick.
Where it is used
- Flush toilet — is used in. Draining the waste.
- Urban planning — is used in. Infrastructure.
Things built in a similar way
- Aqueduct — works like. Both systems carry water by gravity through channels: one drains waste, the other supplies water; the drains of Mohenjo-daro are older than the Roman aqueducts.