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Freedom from surface defects
BS EN 15926 provides users guidance on principle
No requirements on lighting equipment
the requirements of the product standards for bituminous mixtures should be respected
O and E already described in IEC 61753‑1
Textiles. Tests for colour fastness - Grey scale for assessing staining Ingestion-build-83346 Freedom from surface defectsWhat is ISO 105 A03 Greyscale for assessing staining about? Colour fastness on textile fabrics is a required quality for multiple reasons. Colour fastness to washing or rubbing prevents additional pollution of the water eco system, reduces wastage, as well as protects the other fabrics from getting stained. In addition, colour fastness on a fabric protects human skin from the chemical dyes. Colour fastness grading is a crucial stage in the quality
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