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  2. Two-stroke oil - Wikipedia

    en.wikipedia.org/wiki/Two-stroke_oil

    The oil is dyed blue to make it easier to recognize in the gasoline. It appears black in this bottle because it is not diluted. Two-stroke oil (also referred to as two-cycle oil, 2-cycle oil, 2T oil, or 2-stroke oil) is a special type of motor oil intended for use in crankcase compression two-stroke engines, typical of small gasoline -powered ...

  3. Lubrication - Wikipedia

    en.wikipedia.org/wiki/Lubrication

    The two bottles of lubricant are attached to the piston and move while the engine is operating. Lubrication is the process or technique of using a lubricant to reduce friction and wear and tear in a contact between two surfaces. The study of lubrication is a discipline in the field of tribology . Lubrication mechanisms such as fluid-lubricated ...

  4. Gear oil - Wikipedia

    en.wikipedia.org/wiki/Gear_oil

    Gear oil is a lubricant made specifically for transmissions, transfer cases, and differentials in automobiles, trucks, and other machinery. It has high viscosity and usually contains organosulfur compounds. Some modern automatic transaxles (integrated transmission and differential) do not use a heavy oil at all but lubricate with the lower ...

  5. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

    www.aol.com/entertainment/20-off-raycon-earbuds...

    These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

  6. Antiwear additive - Wikipedia

    en.wikipedia.org/wiki/Antiwear_additive

    zinc dialkyl dithio phosphate (ZDDP), probably the most widely used [2] in formulated engine oils, also acts as a corrosion inhibitor and antioxidant; Tricresyl phosphate (TCP), used for high-temperature operation, often used as an AW and EP additive in turbine engine lubricants, and also in some crankcase oils and hydraulic fluids

  7. ‘Cockroaches of the factory’: Workers paint a picture of ...

    www.aol.com/most-detailed-explanation-yet-boeing...

    NTSB/Handout/Getty Images. Workers on the Boeing 737 Max that lost a door plug on a January flight told federal safety investigators that they felt pressure to do their jobs too fast to avoid ...

  8. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  9. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Active noise control ( ANC ), also known as noise cancellation ( NC ), or active noise reduction ( ANR ), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...