Skull with Glasses

1920 × 1200

Radioactive Warning Symbol — Orange

1600 × 1200

Radioactive Warning Symbol — Yellow, Illustration, Yellow Background

3750 × 3000

Radioactive Symbol — Gray, Neutral

1600 × 1200

Biohazard Symbol — Black, Ominous

960 × 800

Warning Sign on Metal — Yellow

1920 × 1200

Biohazard Symbol — Red, Dramatic, Digital Art

960 × 800

Radiation warning with text

1280 × 1024

Text-based Warning Sign

1024 × 768

Burning Road Sign — Purple

1680 × 1050

Stop Rfid Sign

1200 × 959

Do Not Feed sign with Metroid logo

1680 × 1050