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  2. Variations in traffic light operation - Wikipedia

    en.wikipedia.org/wiki/Variations_in_traffic...

    Variations in traffic light operation. Swedish traffic light (left) for use by public transport vehicles only. All signals use white lighting and special symbols ("S", "–" and an arrow) to distinguish them from regular signals. The small light at the top tells the driver when the vehicle's transponder signal is received by the traffic light.

  3. Pixel Buds - Wikipedia

    en.wikipedia.org/wiki/Pixel_Buds

    Pixel Buds. The Pixel Buds is a line of wireless earbuds developed and marketed by Google. The first-generation Pixel Buds were launched on October 4, 2017, at the Made by Google launch event, and became available for preorder on the Google Store the same day. [1][2] They have the Google Assistant built-in and support Google Translate.

  4. Headphones - Wikipedia

    en.wikipedia.org/wiki/Headphones

    Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby ...

  5. Canadian Rail Operating Rules - Wikipedia

    en.wikipedia.org/wiki/Canadian_Rail_Operating_Rules

    Flashing yellow; Flashing green; Flashing red; Solid red; Solid green; Solid white; Solid yellow; Canada uses a signal system similar to the United States' signalling system, in that signals are either one-, two- or three-headed, and each one can show any of the aspects described above.

  6. 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 ...

  7. Aviation light signals - Wikipedia

    en.wikipedia.org/wiki/Aviation_light_signals

    Aviation light signals. A United States Air Force airman with a signal light gun that can be used to control aircraft with radio failure. In the case of a radio failure or aircraft not equipped with a radio, or in the case of a deaf pilot, air traffic control may use a signal lamp (called a "signal light gun" or "light gun" by the FAA [1][2 ...

  8. Light characteristic - Wikipedia

    en.wikipedia.org/wiki/Light_characteristic

    A quick light, abbreviated "Q", is a special case of a flashing light with a high frequency (more than 30 [3] or 50 [2] per minute). If the sequence of flashes is interrupted by regularly repeated eclipses of constant and long duration, the light is denoted "interrupted quick", abbreviated "I.Q".

  9. AirPods - Wikipedia

    en.wikipedia.org/wiki/AirPods

    AirPods are wireless Bluetooth earbuds designed by Apple. They were first announced on September 7, 2016, alongside the iPhone 7. Within two years, they became Apple's most popular accessory. [4][5] AirPods are Apple's entry-level wireless headphones, sold alongside the AirPods Pro and AirPods Max. Apple Wired Headphones USB-C.