Solutions Urban drainage system has 11 entries with similar clues
- sumpDrainage pit
- dykeBank alongside a drainage ditch
- codeSystem of segregation formerly practiced by System of signals
- ditchDrainage channel
- metroUrban railway system
- sewageRefuse carried off through drainage system
- gutterDrainage channel
- overflowDrainage outlet
- scuppersShip's drainage
- sanitateInstall drainage and sewage disposal
- rapid-transitPublic urban train system