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  2. Oil burner - Wikipedia

    en.wikipedia.org/wiki/Oil_burner

    An oil burner is a part attached to an oil furnace, water heater, or boiler. [1] It provides the ignition of heating oil/biodiesel fuel used to heat either air or water via a heat exchanger . The fuel is atomized into a fine spray usually by forcing it under pressure through a nozzle which gives the resulting flame a specific flow rate, angle ...

  3. Sodium-vapor lamp - Wikipedia

    en.wikipedia.org/wiki/Sodium-vapor_lamp

    A high-pressure sodium street light in Toronto A high-pressure sodium-vapor lamp An HPS lamp that isn't entirely off. A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Two varieties of such lamps exist: low pressure and high pressure.

  4. Halogen lamp - Wikipedia

    en.wikipedia.org/wiki/Halogen_lamp

    The bulb must be made of fused silica (quartz) or a high-melting-point glass (such as aluminosilicate glass). Since quartz is very strong, the gas pressure can be higher, [14] which reduces the rate of evaporation of the filament, permitting it to run a higher temperature (and so luminous efficacy) for the same average life. The tungsten ...

  5. Mercury-vapor lamp - Wikipedia

    en.wikipedia.org/wiki/Mercury-vapor_lamp

    Low-pressure Hg lamps can be rather small, but efficient sources of deep UV light. Low-pressure mercury-vapor lamps [15] usually have a quartz bulb in order to allow the transmission of short wavelength light. If synthetic quartz is used, then the transparency of the quartz is increased further and an emission line at 185 nm is observed also.

  6. Primer (firearms) - Wikipedia

    en.wikipedia.org/wiki/Primer_(firearms)

    Primer-actuated cartridges/piston primer cartridges use a primer in the form of a blank to contain the propellant within the cartridge, or as a piston to unlock the bolt and cycle the weapon's operation. Examples are the 9×51mm SMAW, MBA Javette and the M48A2.

  7. Mortgage companies that borrowers are most satisfied with ...

    www.aol.com/finance/mortgage-companies-borrowers...

    J.D. Power released its 2024 mortgage lender customer satisfaction survey — and the results are surprising. Here are the major changes in lender satisfaction.

  8. Electronic firing - Wikipedia

    en.wikipedia.org/wiki/Electronic_firing

    In modern firearm designs, a firing pin and primer are used to ignite the propellant in the cartridge which propels the bullet forward. The firing pin must travel a short distance, creating a short delay between the user pulling the trigger and the weapon firing, which generally decreases accuracy.

  9. Denver: Where outdoor Christmas lighting tradition began - AOL

    www.aol.com/news/2014-12-09-denver-where-outdoor...

    DENVER - As long ago as 1907, when merchants put green and red bulbs in street lights along 16th Street, Denver has been known for outdoor holiday flair. But in 1914 when D. D. Sturgeon-founder of ...

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