Radioactive Warning Symbol — Yellow, Dangerous, Digital Art

1600 × 1200

Biohazard Warning Sign — Yellow, Vector Art

2000 × 1500

Biohazard Symbol — Green, Black

1280 × 960

Biohazard Symbol — Green, Vector Art

1600 × 1200

Biohazard Symbol — Black, Neutral, Vector Art, White

3543 × 3543

Yellow Warning Sign — Black, Vector Art

1680 × 1080

Man Kicking Another Man — Yellow, Humorous, Vector Art, Person, Warning Sign

1280 × 1024

Danger Sign with Text — Black, Serious

1024 × 600

Warning Sign with Stick Figures — Yellow, Alert

1920 × 1200

Warning Sign with Kick — Yellow

1280 × 800

Do Not Feed Sign — Gray, Warning

1024 × 768

Hammer warning sign

1200 × 960