Health and Safety Executive

Mandatory signs

Mandatory sign - a sign prescribing specific behaviour (eg eye protection must be worn)

Intrinsic features:

  • round shape
  • white pictogram on a blue background (the blue part to take up at least 50% of the area of the sign)

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Health and Safety Executive
Caerphilly Business Park
Caerphilly CF83 3GG

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Updated 12.08.09