Clear health and safety signs play an essential part in safety during operations and in the health of employees. That’s why at a location everyone (visitor, employee and contractor) must be familiar with the meaning of the H&S signs and follow the rules.Guidelines for the Oil and Gas industry, Health Safety Environment.
How does it works.
Be aware that every country and company has its own and maybe other regulations.
Please ask them before you start the activities and that you understand them.
http://www.ktma.nl/uk/