main

Магистральный трубопровод; распределительная магистраль

- authority's water main

- dead-end water main

- drainage main

- electric mains

- force main

- gas main

- heating main

- heat supply main

- lighting mains

- public water main

- pumping main

- ring main

- rising main

- secondary main

- service main

- supply main

- town drainage main

- trunk main

- underground main

- water main