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  2. Depth sounding - Wikipedia

    en.wikipedia.org/wiki/Depth_sounding

    "Sounding" derives from the Old English sund, meaning "swimming, water, sea"; it is not related to the word sound in the sense of noise or tones, [2] but to sound, a geographical term. Traditional terms for soundings are a source for common expressions in the English language, notably "deep six" (a sounding of 6 fathoms).

  3. IPA vowel chart with audio - Wikipedia

    en.wikipedia.org/wiki/IPA_vowel_chart_with_audio

    [2] Within the chart “close”, “open”, “mid”, “front”, “central”, and “back” refer to the placement of the sound within the mouth. [3] At points where two sounds share an intersection, the left is unrounded, and the right is rounded which refers to the shape of the lips while making the sound. [4]

  4. Echo sounding - Wikipedia

    en.wikipedia.org/wiki/Echo_sounding

    Echo sounding or depth sounding is the use of sonar for ranging, normally to determine the depth of water . It involves transmitting acoustic waves into water and recording the time interval between emission and return of a pulse; the resulting time of flight , along with knowledge of the speed of sound in water, allows determining the distance ...

  5. Labeling of fertilizer - Wikipedia

    en.wikipedia.org/wiki/Labeling_of_fertilizer

    More precisely, the first number ("N value") is the percentage of elemental nitrogen by weight in the fertilizer; that is, the mass fraction of nitrogen times 100. The second number ("P value") is the percentage by weight of phosphorus pentoxide P 2 O 5. The third number ("K value") is the equivalent content of potassium oxide K 2 O. [3]

  6. It’s all about the numbers: Inspect fertilizer bag ... - AOL

    www.aol.com/numbers-inspect-fertilizer-bag...

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  7. International Phonetic Alphabet chart - Wikipedia

    en.wikipedia.org/wiki/International_Phonetic...

    The following is the chart of the International Phonetic Alphabet, a standardized system of phonetic symbols devised and maintained by the International Phonetic Association. It is not a complete list of all possible speech sounds in the world's languages, only those about which stand-alone articles exist in this encyclopedia.

  8. International Phonetic Alphabet - Wikipedia

    en.wikipedia.org/wiki/International_Phonetic...

    [2] [note 4] However, if a large number of phonemically distinct letters can be derived with a diacritic, that may be used instead. [note 5] The alphabet is designed for transcribing sounds (phones), not phonemes, though it is used for phonemic transcription as well.

  9. Select and enable a New Mail notification in AOL Mail

    help.aol.com/articles/select-and-enable-a-new...

    2. Click Notifications. 3. Under "New Mail," select your notification option: • Play a sound when new mail arrives - Default sound. • Play "You've Got Mail" when new mail arrives - Customize it with a celebrity voice. 4. Click Back to Inbox when done.