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  2. Onboard refueling vapor recovery - Wikipedia

    en.wikipedia.org/wiki/Onboard_refueling_vapor...

    The vapors which are displaced from the fuel tank by the incoming fuel are routed via the vapor vent line to the canister and are absorbed by activated carbon. These canisters are made of either steel or plastic. The size of this canister is tailored to accommodate expected evaporative emissions.

  3. Tips for troubleshooting water heater issues - AOL

    www.aol.com/tips-troubleshooting-water-heater...

    Learn how to quickly troubleshoot your water heater. ... Water heating problems are some of the most common plumbing issues. On average, water heater repairs cost $150-$250, ...

  4. Solenoid valve - Wikipedia

    en.wikipedia.org/wiki/Solenoid_valve

    Solenoid valves. A solenoid valve is an electromechanically operated valve.. Solenoid valves differ in the characteristics of the electric current they use, the strength of the magnetic field they generate, the mechanism they use to regulate the fluid, and the type and characteristics of fluid they control.

  5. Thermal expansion valve - Wikipedia

    en.wikipedia.org/wiki/Thermal_expansion_valve

    A thermal expansion valve is a key element to a heat pump; this is the cycle that makes air conditioning, or air cooling, possible.A basic refrigeration cycle consists of four major elements: a compressor, a condenser, a metering device and an evaporator.

  6. Evaporator (marine) - Wikipedia

    en.wikipedia.org/wiki/Evaporator_(marine)

    An evaporator, distiller or distilling apparatus is a piece of ship's equipment used to produce fresh drinking water from sea water by distillation. As fresh water is bulky, may spoil in storage, and is an essential supply for any long voyage, the ability to produce more fresh water in mid-ocean is important for any ship.

  7. Doctors Say This Is the Best, Most Effective Way to ... - AOL

    www.aol.com/doctors-best-most-effective-way...

    “Salt water sprays and salt water irrigation can help to really rinse out your nose, and to get rid of viruses, bacteria, and allergens that may be in your nose.” That doesn’t mean blowing ...

  8. Control valve - Wikipedia

    en.wikipedia.org/wiki/Control_valve

    While pneumatic positioners and analog I/P positioners provide basic valve position control, digital valve controllers add another dimension to positioner capabilities. This type of positioner is a microprocessor-based instrument. The microprocessor enables diagnostics and two-way communication to simplify setup and troubleshooting.

  9. Service dog helps boy with rare genetic disorder achieve ...

    www.aol.com/dog-helps-boy-rare-genetic-093038800...

    When a young New York boy was diagnosed with a rare genetic disorder, hope came in an unlikely form — a golden retriever named Yammy. His mother shares the inspiring story with Fox News Digital.