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Create the page "Valves" on this wiki! See also the page found with your search.

• Valve
  [[File:Water valves with spigots.jpg|thumb|300px|These water valves are operated by [[handle (grip)|rotary handle]]s.]] ...ies]]) by opening, closing, or partially obstructing various passageways. Valves are technically [[Piping and plumbing fittings|fittings]], but are usually
  25 KB (3,845 words) - 17:33, 8 August 2019