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The Second World War. Operation in Normandy
Ubuntu operating system technology
Large Windows operating system logo
Soldiers are preparing for combat operations
Operating system logo on a gray-black background
The logo of the operating system on the computer
Active training of tankers for combat operations
A metal robot performs an operation
Europe's mobile phone operator vedafone
Operating system for mobile phones and other platforms
Blue background and operating system logo
The logo of the operating system glare
Operating system for mobile phones and other platformsOperating system for mobile phones and other platforms