1. water main
a water main is very large underground pipe used for supplying water to houses and factories. A principal supply pipe in arrangement of pipes for distributing water
English word "sieć wodociągowa"(water main) occurs in sets:
kartkowka 2/22. water supply
3. water system
English word "sieć wodociągowa"(water system) occurs in sets:
I kwartał 20184. water supply network
5. water pipes
6. water supply system
7. the mains