Warning Sign with Skull — Red

800 × 621

Biohazard Symbol — Red, Warning, Vector Art, Circle

1112 × 1112

Yellow Warning Sign — Calm, Autumn

1600 × 900

Electrical Hazard Sign — Blue

1280 × 960

Person on Fire

1280 × 960

Warning Sign with Text — Yellow, Cautionary, Vector Art

2000 × 1400

High Voltage Danger Warning

1032 × 774

Propane danger warning sign

3150 × 2250

Danger tape warning signs

2560 × 1600

Fire safety sign

2400 × 1800

Yellow Caution Sign — Cautionary, Photograph, Grass, Guardrail

1440 × 900

Yellow Warning Sign — Photograph

1924 × 1384