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2. Tap (valve) - Wikipedia

   en.wikipedia.org/wiki/Tap_(valve)

   Bib (bibcock, and hose bib or hosebibb), usually a freeze-resistant version of a "spigot". Wall hydrant , same as "hosebibb". Tap generally refers to a keg or barrel tap , though also commonly refers to a faucet that supplies either hot or cold water and not both.

3. Shower - Wikipedia

   en.wikipedia.org/wiki/Shower

   Ceiling-mounted faucets: Ceiling-mounted shower-faucets are typically rain-drop shower-heads mounted in the ceiling of the shower. Water rains down, at low or medium pressure, using gravity to shower on one from directly above. [18] Adjustable shower heads: Adjustable shower faucets often have numerous settings, including pulsating massage and ...

4. Reduced pressure zone device - Wikipedia

   en.wikipedia.org/wiki/Reduced_pressure_zone_device

   Backflow preventers are categorized into three groupings: Assembly, Device or Method. With the exception of elimination, these are the only ways one can control backflow from taking place. The eight named backflow assemblies all have two resilient seated isolation/shut off valves with properly located test ports.

5. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

6. Pennsylvania - Wikipedia

   en.wikipedia.org/wiki/Pennsylvania

   The Congress was the first meeting of the Thirteen Colonies, which convened at the request of the Massachusetts assembly; nine of the 13 colonies sent delegates. [51] Dickinson then wrote Letters from a Farmer in Pennsylvania, To the Inhabitants of the British Colonies , which were published in the Pennsylvania Chronicle between December 2 ...

7. Relief valve - Wikipedia

   en.wikipedia.org/wiki/Relief_valve

   A relief valve DN25 on cooling water pipe from heat exchanger Schematic diagram of a conventional spring-loaded pressure relief valve. A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise build up and create a process upset, instrument or equipment failure, explosion, or fire.