A sign prohibiting behaviour likely to increase or cause danger
These signs should be used for “Do Not” commands. For example – to indicate that smoking is not allowed in a particular area. In the workplace they should be used to reinforce instructions prohibiting dangerous activities.
A sign giving warning of a hazard or danger
These signs should be used to make people aware of a nearby danger.
For example, a flammable liquid store.
A safety sign prescribing specific behaviour
These signs should be used to indicate actions that must be carried out in order to comply with statutory requirements.
A sign giving information on emergency exits, first aid, or rescue facilities
These information signs should be used to indicate escape routes, emergency exits and first aid equipment.