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wing

A wing is a type of fin that produces lift, while moving through air or some other fluid. As such, wings have streamlined cross-sections that are subject to aerodynamic forces and act as an airfoils. A wing's aerodynamic efficiency is expressed as its lift-to-drag ratio. The lift a wing generates at a given speed and angle of attack can be one to two orders of magnitude greater than the total drag on the wing. A high lift-to-drag ratio requires a significantly smaller thrust to propel the wings through the air at sufficient lift. Lifting structures used in water, include various foils, including hydrofoils. Hydrodynamics is the governing science, rather than aerodynamics. Applications of underwater foils occur in hydroplanes, sailboats and submarines.
swallow puzzle - fdoijspdfmpsdf apfmgpasfmp askmams
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swallow puzzle

Added yesterday by Giulio

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Sparrow while hunting - A sparrow located in its natural environment of the North Pole.
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Sparrow while hunting

Added 2 months ago by Ann

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White heron. - White heron in the Danube delta.
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White heron.

Added 3 months ago by Zeta

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Swans.

Added 4 months ago by Grażyna

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Safe Internet rules - 3. Internet is a treasure trove of knowledge, but remember that
not all the information that is in
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Safe Internet rules

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Anime Girl - Photo Girl Wallpaper
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Anime Girl

Added year ago by Duo Voice

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beauty fox - Beauty fox has many beautiful designs (cmok)!
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beauty fox

Added year ago by n.m

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Anime Angel - Photo Angel Wallpaper
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Anime Angel

Added year ago by Duo Voice

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Anime Angel - Photo Angel Wallpaper
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Anime Angel

Added year ago by Naya

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Anime Angel - Photo Angel Wallpaper
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Anime Angel

Added year ago by Naya

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Chicken chicken

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lovely animals - white dove and rubella
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lovely animals

Added year ago by Basiunia

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life cycle - life cycle of Drosophila
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life cycle

Added year ago by Juliet

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colorful bird - colorful blue bird
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colorful bird

Added year ago by Joasia

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lapwing bird - lapwing is a wise bird is small and beautiful
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lapwing bird

Added year ago by Sandra

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White pigeon - White dove in the blue sky
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White pigeon

Added year ago by Katqu

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Suigintou

Added year ago by Naya

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lovely animals - bird with a red tail
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lovely animals

Added year ago by Basiunia

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dodo puzzle - dodo jigsaw puzzle dodo
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dodo puzzle

Added year ago by tre

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xd is pepe - xdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdxdx
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xd is pepe

Added year ago by pepe

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Colorful parrot - colorful parrot puzzle
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Colorful parrot

Added year ago by andi

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Lucario - The character presents my favorite pokemon
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Lucario

Added year ago by KoKO

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Siamese fighter - Lorem ipsum dolor sit amet
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Siamese fighter

Added year ago by Ayla

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Blue parakeets - Blue parakeets
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Blue parakeets

Added year ago by Ayla

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koliberek - Hummingbird is a beautiful flower
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koliberek

Added year ago by emi

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White orchid - White orchid flower
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White orchid

Added year ago by elamela

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Aircraft - colorful jigsaw puzzle
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Aircraft

Added year ago by andi

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Swim or rise

Added year ago by elamela

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US fighters

Added year ago by andi

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pets and animals - beautiful animals and even more beautiful
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pets and animals

Added year ago by żaba

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pets and animals - beautiful animals and even more beautiful
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pets and animals

Added year ago by żaba

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pets and animals - beautiful animals and even more beautiful
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pets and animals

Added year ago by żaba

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pets and animals - beautiful animals and even more beautiful
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pets and animals

Added year ago by żaba

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pets and animals - beautiful animals and even more beautiful
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pets and animals

Added year ago by żaba

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lovely animals - bird on a snowy branch
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lovely animals

Added year ago by Basiunia

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flower like a bird - beautiful flowers resembling birds in flight
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flower like a bird

Added year ago by żaba

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Landscape - colorful puzzle jigsaw
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Landscape

Added year ago by andi

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