Clear communication. A big difference.

How can you see that a section of a construction site is not safe? And how can you warn your colleagues of hazardous substances? We have explained what the signs mean below.

Reaction-reducing drugs

It is strictly forbidden to enter to building site with reaction-reducing drugs either in your possession or in your body!!!

That is not safe!!!

Hazardous substances!!!

Toxic substances

Explosive substances

Flammable substances

Oxidising substances

Environmentally hazardous substances

Long-term health hazard

Aggressive substances

Pressurised gases

He! He! He!


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