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2. Tap (valve) - Wikipedia

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

   This is called a "globe valve" in engineering and, while it gives a leak-proof seal and good fine adjustment of flow, both the rubber washer and the valve seat are subject to wear (and for the seat, also corrosion) over time, so that eventually no tight seal is formed in the closed position, resulting in a leaking tap. The washer can be ...

3. 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.

4. AOL Mail

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   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!

5. Vacuum flask - Wikipedia

   en.wikipedia.org/wiki/Vacuum_flask

   Diagram of a vacuum flask Gustav Robert Paalen, Double Walled Vessel. Patent 27 June 1908, published 13 July 1909 Patent 27 June 1908, published 13 July 1909 The vacuum flask was designed and invented by Scottish scientist James Dewar in 1892 as a result of his research in the field of cryogenics and is sometimes called a Dewar flask in his honour.

6. News, Politics, Sports, Mail & Latest Headlines - AOL.com

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

7. AOL Video - Serving the best video content from AOL and ...

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   The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

8. Cathode-ray tube - Wikipedia

   en.wikipedia.org/wiki/Cathode-ray_tube

   The rebuilding process included the disassembly of the CRT, the disassembly and repair or replacement of the electron gun(s), the removal and redeposition of phosphors and aquadag, etc. Rebuilding was popular until the 1960s because CRTs were expensive and wore out quickly, making repair worth it. [307]

9. Controlled-access highway - Wikipedia

   en.wikipedia.org/wiki/Controlled-access_highway

   Diagram showing lanes and road layout (Irish road markings) In Europe and some other countries, motorways typically have similar characteristics such as: A typical design speed in the range of 100–130 km/h (62–81 mph) Minimum values for horizontal curve radii around 750 to 900 m (2,460 to 2,950 ft).