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Red lettering on paper
Desktop and Display security
Windows 7. Stylized illustration with the number seven
Text "Caution" all over the screen
Masha from the cartoon is sitting in a bucket
An old book. Granite of Science
White lines in a black rectangle
A school board made of steps with formulas
A dream among huge books
A schoolboy with a funny girl in his arms
Creative fusion of the two sides
IPhone as always boasts of its portability