Graphical symbols. Safety colours and safety signs - Colorimetric and photometric properties of safety sign materials Ingestion-build-96603 structural steels

structural steels

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BS 4110:1999 replaces BS 4110:1979 which is withdrawn

Graphical symbols. Safety colours and safety signs - Colorimetric and photometric properties of safety sign materials Ingestion-build-96603 structural steels1 Scope This part of ISO 3864 establishes the colorimetric and photometric requirements and test methods for the colours of safety signs to be used in workplaces and public areas. It provides the colorimetric and photometric specifications for the named safety and contrast colours prescribed in ISO 3864 1. The physical requirements that safety signs have to meet are primarily related to daytime colour and normally lit environments. This part of ISO