The slide rule, pencil and magnifying glass are on the notebookThe slide rule, pencil and magnifying glass are on the notebook
Abstract 3d painting with red flashes on a dark background with the inscription windows 7Abstract 3d painting with red flashes on a dark background with the inscription windows 7
The inscription windows 7 in the lower right cornerThe inscription Windows 7 in the lower right corner
The location of the planets relative to the distance from the sunThe location of the planets relative to the distance from the sun