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  2. Saqiyah - Wikipedia

    en.wikipedia.org/wiki/Saqiyah

    Water wheel used for irrigation in Nubia, painted by David Roberts in 1838 Paddle-driven water-lifting wheels had appeared in ancient Egypt by the 4th century BCE. [ 25 ] According to John Peter Oleson , both the compartmented wheel and the hydraulic noria appeared in Egypt by the 4th century BCE, with the saqiya being invented there a century ...

  3. Shark Wheel - Wikipedia

    en.wikipedia.org/wiki/Shark_Wheel

    Shark Wheel is a company based in Lake Forest, California that manufactures helical wheels of the same name. Rather than a traditional circular shape, the Shark Wheel is composed of one or many three-dimensional sine waves. The shape is a hybrid of a sphere and cube, taking on the properties of both shapes while in motion.

  4. Shark anatomy - Wikipedia

    en.wikipedia.org/wiki/Shark_anatomy

    Shark Anatomy (50693674756) The gill slits of a whale shark flaring as it expels water from its pharyngeal cavity. In the shark anatomy image, it depicts the beginning half of the shark, including the gills. The shark gills are especially important and were evolved from the chordate pharyngeal gill slits synapomorphy.

  5. Rotating locomotion in living systems - Wikipedia

    en.wikipedia.org/wiki/Rotating_locomotion_in...

    A wheeled buffalo figurine—probably a children's toy—from Magna Graecia in archaic Greece [1]. Several organisms are capable of rolling locomotion. However, true wheels and propellers—despite their utility in human vehicles—do not play a significant role in the movement of living things (with the exception of certain flagella, which work like corkscrews).

  6. Lamnidae - Wikipedia

    en.wikipedia.org/wiki/Lamnidae

    Lamna ditropis Hubbs & Follett, 1947 (salmon shark) Lamna nasus Bonnaterre, 1788 (porbeagle) †Lamna attenuata Davis, 1888 †Lamna carinata Davis, 1888 †Lamna hectori Davis, 1888 †Lamna marginalis Davis, 1888 †Lamna quinquelateralis Cragin, 1894 †Lamna trigeri Coquand, 1860 †Lamna trigonata Agassiz, 1843; Genus †Lethenia Leriche, 1910

  7. Center-pivot irrigation - Wikipedia

    en.wikipedia.org/wiki/Center-pivot_irrigation

    A satellite image of circular fields characteristic of center pivot irrigation, Kansas Farmland with circular pivot irrigation. Center-pivot irrigation (sometimes called central pivot irrigation), also called water-wheel and circle irrigation, is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers.

  8. AOL Mail

    mail.aol.com/d?reason=invalid_cred

    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!

  9. File:Parts of a shark.svg - Wikipedia

    en.wikipedia.org/wiki/File:Parts_of_a_shark.svg

    The following other wikis use this file: Usage on as.wikipedia.org হাংগৰ; Usage on bs.wikipedia.org Rušljoribe; Anatomija ajkula; Usage on de.wikipedia.org

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