To operation wallpaper on telephone / page 34

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Logo of the Windows Vista operating system

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Blue-style Mac operating system

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Windows operating system seven on a black background

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Image of the operating system logo for a smartphone

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Racing car in operation on the track

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The space shuttle is operating in orbit

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Soldiers with weapons are preparing for the operation

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Military training operations with a helicopter

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Bengal cat poses for the operator

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Military operations on the territory of the city

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Special rescue operation

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A combat tank operating at the landfill