Clearly define dangerous areas such as construction zones and welding areas to restrict access to only authorized personnel.

Caution headers indicate a potentially hazardous situation that, if not avoided, may result in minor or moderate injury.

Danger headers are typically used in extreme conditions to indicate an imminently hazardous situation that, if not avoided, will result in death or serious injury.

Notice headers indicate general instructions for safety.

Warning headers indicate a moderately hazardous situation that, if not avoided, may result in death or serious injury.