1) подземный канализационный коллектор; трубопровод наружной сети канализации
2) дренажная галерея (у подошвы верхового откоса земляной плотины)
- branch sewer
- building sewer
- building combined sewer
- building sanitary sewer
- building storm sewer
- combination sewer
- combined building sewer
- connecting sewer
- egg-shaped sewer
- flight sewer
- foul sewer
- house sewer
- intercepting sewer
- lateral sewer
- main sewer
- municipal sewers
- outfall sewer
- public sewer
- relief sewer
- sanitary sewer
- separate sewer
- storm sewer
- storm-overflow sewer
- storm water sewer
- submain sewer
- subsidiary sewer
- trunk sewer