Icons

Hazard colours
Meaning, aim and application

To prevent, stop or interrupt situations or actions in which or by which damage is caused. Stop signs, prohibition signs, fire fighting signs, fire prevention signs.
Danger! For warning of mechanical, electrical, poisonous, explosive, chemical and radiation dangers. Helps to point out thresh holds, low passageways and obstacles.
Rescue signs. To indicate safe passageways, flight routes First Aid stations and emergency.
To help prevent accidents. Command signs for functional information.