# | Concept | Culture | Statement | Freq. |
---|---|---|---|---|
1 | sewage system | Europe | Integrated part of urban infrastructure, commonly found in households | 1 |
2 | sewer | Europe | Sewers are an essential part of urban infrastructure for managing wastewater and sewage. | 1 |
3 | sewer | Europe | Sewers are a common part of urban infrastructure, used to carry away wastewater and prevent flooding. | 1 |