What are blue signs indicating?

• optional instruction

• mandatory instruction

• possible instruction

• occasional instruction

What does this sign mean?

• Ear protection optional

• Loud music can damage your ears

• No headphones allowed

• Ear protection must be worn

What does this sign mean?

• Helmets optional

• Helmet must not cover ears

• You must wear a helmet

• Helmets must not cover eyes

Match the PPE to the hazard/ risk

• Loud sounds

• 
• Flying debris

• 
• Cuts, scrapes and burns

• 
• Impact and crushing from dropped heavy objects

• 
• Dim lighting conditions

• 

What will blue, circular signs with white pictograms typically indicate?

• That a certain action in the area is prohibited

• That wearing a certain type of PPE in the area is mandatory

• That certain types of machinery are subject to faults

• That you should be aware of nearby hazards

What doe this sign mean?

• Gas under pressure

• Explosive

• Serious health Hazard

• Toxic

What does this sign mean?

• Oxidising

• Toxic

• Hazardous to the enviroment

• Serious health hazard

What does this sign mean?

• Flammable

• Toxic

• Health hazard/Hazardous to the ozone layer

• Serious health hazard

What does this sign mean?

• Corrosive

• Toxic

• Explosive

• Flammable

What does this sign mean?

• Toxic

• Hazardous to the environment

• Serious health hazard

• Explosive