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  2. Vehicle horn - Wikipedia

    en.wikipedia.org/wiki/Vehicle_horn

    Again, these horns can be either single, or arranged in pairs; typical frequencies for a pair are 420–440 Hz and 340–370 Hz (approximately G ♯ 4 –A 4 and F 4 –F ♯ 4) for this design. Diagram showing how a car horn works. A horn grille is a part of some designs of car or other motor vehicle that has an electric horn, such as a motor ...

  3. Horn (acoustic) - Wikipedia

    en.wikipedia.org/wiki/Horn_(acoustic)

    Horn loudspeakers are very efficient, but have a sharp cutoff frequency, depending on the area of the horn mouth, with little sound output below. Bass sounds are usually produced by conventional speaker cones, since a circular horn mouth sufficient to reproduce 20 Hz would have a diameter of about 18 feet (5.5 m), except when a building, ground ...

  4. Hood ornament - Wikipedia

    en.wikipedia.org/wiki/Hood_ornament

    A hood ornament (or bonnet ornament or bonnet mascot in Commonwealth English), also called a motor mascot or car mascot, is a specially crafted model that symbolizes a car company, like a badge, located on the front center portion of the hood. It has been used as an adornment nearly since the inception of automobiles. [2]

  5. Train noise - Wikipedia

    en.wikipedia.org/wiki/Train_noise

    This reduces noise in problem areas although trains make a distinctive tonal sound on freshly-ground track due to the pattern on the rail left by the grinding process, which wears flat over time. Rail squeal is a sound caused by a train's wheels slipping under specific conditions, usually around sharp curves.

  6. Transport agency tells drivers not to honk horns; suggests ...

    www.aol.com/news/transport-agency-tells-drivers...

    Look who's being shady! The Land Transport Office - National Capital Region's (LTO- NCR) Facebook page posted a reminder late last week urging drivers not to honk their horns if they're in a hurry.

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Horn OK Please - Wikipedia

    en.wikipedia.org/wiki/Horn_OK_Please

    On April 30, 2015, the Government of Maharashtra banned the use of "Horn OK Please" on the rear of commercial vehicles, on the grounds that it encouraged motorists to honk unnecessarily and caused noise pollution. In Maharashtra, such signage is a violation of Section 134 (1) of the Maharashtra Motor Vehicle Rules.

  9. 30 Dogs Wearing Goggles That Might Just Make Your Day, As ...

    www.aol.com/50-most-wholesome-images-dogs...

    Image credits: dogswithjobs There’s a popular saying that cats rule the Internet, and research has even found that the 2 million cat videos on YouTube have been watched more than 25 billion ...