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| | Domestic water system - Wikipedia, the free encyclopedia |
 | | Domestic water supply or system (DWS) is a comprehensive term for the potable water supply systems in residential, commercial, institutional, and industrial buildings. |
 | | This article addresses the supply side of plumbing systems, where traps, drains, and vents, rainwater, surface, and subsurface water drainage, fire sprinklers, and other topics are addressed in related articles. |
 | | Galvanized steel (often known simply as "galv" or "iron" in the plumbing trade) is relatively expensive, difficult to work with due to weight and requirement of a pipe threader, and suffers from a tendency to obstruction due to mineral deposits forming on the inside of the pipe. |
| en.wikipedia.org /wiki/Domestic_water_system (1476 words) |
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