The Hazchem 2WE HAZ2WE sign will be instantly recognisable by people that are accustomed to dealing with these types of materials. People should be able to decipher the exact chemicals that the code stands for and will be aware of the precautions that will need to be taken.

It is best to make sure that people who do not understand these codes, have nothing to do with these types of potentially hazardous chemicals. This will protect their health and safety.

Fixing requires anything as simple as sticky pads, 'No-nails' type adhesive or double-sided tape.