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  2. Valve job - Wikipedia

    en.wikipedia.org/wiki/Valve_job

    A valve job is the colloquial term for resurfacing the mating surfaces of the poppet valves and their respective valve seats that control the intake and exhaust of the air/fuel mixture in four stroke internal combustion engine, replacing valve oil seals, replacing any deficient valve springs, and otherwise bringing the components of a cylinder head up to manufacturer’s spec. [1] A ...

  3. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    Valves and their types and identifications (e.g. isolation, shutoff, relief and safety valves, valve interlocks) Control inputs and outputs (sensors and final elements, interlocks) Miscellaneous - vents, drains, flanges, special fittings, sampling lines, reducers and swages; Interfaces for class changes; Computer control system

  4. Valvetrain - Wikipedia

    en.wikipedia.org/wiki/Valvetrain

    Cutaway of a dual overhead camshaft engine 1969 AMC V8 overhead valve engine. The rocker cover has been removed, so the pushrods, rocker arms, valve springs, and valves are visible. A valvetrain is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine. [1]

  5. Valve actuator - Wikipedia

    en.wikipedia.org/wiki/Valve_actuator

    The blue valve body is visible in-line with the pipe. The valve actuator opens or closes the butterfly disc of the valve based on electrical signals sent to the actuator. Another valve actuator is visible in the background, with windows to indicate the valve position. A valve actuator is the mechanism for opening and closing a valve. Manually ...

  6. Meghan Trainor Reveals She’s Getting Cosmetic Surgery for Her ...

    www.aol.com/meghan-trainor-reveals-she-getting...

    I'm getting a boob job." She explained, "my mommy boobies were full of milk, and now they're empty, and then full of milk, and now they're empty. They got big, they got small, they got big, they ...

  7. White House aides discuss preemptive pardons for Trump ... - AOL

    www.aol.com/news/white-house-aides-discuss...

    President Joe Biden's top aides are discussing whether preemptive pardons to current and former public officials who may be targeted by the incoming Trump administration should be considered, but ...

  8. Playout - Wikipedia

    en.wikipedia.org/wiki/Playout

    The television channel playout happens in master control room (MCR) in a playout area, which can be either situated in the central apparatus room or in purposely built playout centres, which can be owned by a broadcaster [2] or run by an independent specialist company that has been contracted to handle the playout for a number of channels from ...

  9. Mortgage and refinance rates for Nov. 21, 2024: Average rates ...

    www.aol.com/finance/mortgage-and-refinance-rates...

    See today's average mortgage rates for a 30-year fixed mortgage, 15-year fixed, jumbo loans, refinance rates and more — including up-to-date rate news.