Windows XP logo on glass

1024 × 768

radioactive warning sign

1200 × 750

Windows XP warning image

1600 × 1200

Radioactive Warning Symbol — Orange

1600 × 1200

Windows XP logo with nuclear symbol

1024 × 768

nuclear warning symbol

1200 × 900

Radioactive Warning Symbol — Yellow, Dramatic, Digital Art

1280 × 1024

Radioactive Warning Symbol — Yellow, Illustration

1600 × 900

green radiation symbol on brick wall

1600 × 1000

green radiation symbol

1920 × 1200

Glowing Radiation Symbol — Green

1331 × 783

biohazard warning sign

1200 × 900