High Voltage Warning Sign — Red

960 × 720

warning sign with hazard icons

1184 × 1184

Biohazard Warning Sign — Yellow, Vector Art

2000 × 1500

falling person warning sign

1152 × 864

electrical hazard warning sign

1280 × 960

electrical hazard warning sign

1280 × 800

electrical hazard warning sign

1440 × 900

Biohazard Symbol — Yellow, Warning, Vector Art

1600 × 1200

Yellow Warning Sign — Cautious

866 × 1024

Biohazard Symbol — Yellow, Ominous

1920 × 1200

Biohazard Symbol on Wall — Brown

1680 × 1050

Biohazard Symbol — Gray

1440 × 900