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  2. Electromagnetically induced acoustic noise - Wikipedia

    en.wikipedia.org/wiki/Electromagnetically...

    The hissing of high voltage transmission lines is due to corona discharge, not magnetism. The phenomenon is also called audible magnetic noise, [1] electromagnetic acoustic noise, lamination vibration [2] or electromagnetically induced acoustic noise, [3] or more rarely, electrical noise, [4] or "coil noise

  3. Automatic bleeding valve - Wikipedia

    en.wikipedia.org/wiki/Automatic_bleeding_valve

    [3] The valves are normally installed with the first installation of a system, then remain in place for the life of the system. They are generally reliable and require no maintenance. If they do eventually fail, they are replaced rather than repaired. A leaking valve commonly shows a dribble of water from the air vent, or stains of rust or ...

  4. Air handler - Wikipedia

    en.wikipedia.org/wiki/Air_handler

    An air handler, or air handling unit (often abbreviated to AHU), is a device used to regulate and circulate air as part of a heating, ventilating, and air-conditioning system. [1] An air handler is usually a large metal box containing a blower, furnace or A/C elements, filter racks or chambers, sound attenuators, and dampers. [2]

  5. Boiler explosion - Wikipedia

    en.wikipedia.org/wiki/Boiler_explosion

    The cause was traced to a poorly executed repair to the shell of one boiler; the patch failed, and debris from that boiler ruptured two more. Another US Civil War steamboat explosion was the steamer Eclipse on 27 January 1865, which was carrying members of the 9th Indiana Artillery .

  6. Farmer’s Cute Video of Highland Cows With the Zoomies ... - AOL

    www.aol.com/farmer-cute-video-highland-cows...

    This is absolutely adorable! If you are looking for something to brighten up your day, this video of Highland cows with the zoomies will turn your frown upside down!

  7. EgyptAir Flight 667 - Wikipedia

    en.wikipedia.org/wiki/EgyptAir_Flight_667

    The EgyptAir Boeing 777 was parked at gate F7 of Terminal 3 at Cairo airport on 29 July 2011, with preparations underway to operate flight 667. As the last few of the 307 passengers were boarding, the flight crew in the cockpit heard a bang and a hissing sound coming from the right side console, immediately followed by smoke and flames.

  8. Chilean prosecutors probe sexual harassment complaint against ...

    www.aol.com/news/chilean-prosecutors-probe...

    Chile launched a preliminary investigation into a sexual harassment complaint against President Gabriel Boric on Tuesday in a blow to his leftwing administration that ...

  9. Fix problems reading or receiving AOL Mail

    help.aol.com/articles/fix-problems-reading-or...

    Messages are often delivered right way though very rarely there may be a delay in transit. This is usually due to problems on the mail server, heavy internet traffic, or routing problems. Unfortunately, other than waiting, you won't be able to determine if the message is delayed or undeliverable.

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