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Safe means of access for cleaning glazing
Section 5NI-wide·Technical Booklet V Glazing
Safe means of access for cleaning glazing Access for cleaning glazing 16 Cleaning glazing from inside 16 Cleaning glazing from outside 17 Specialist access equipment 17
glazingaccessaccessibilityVisual contrast definition and principles
1.2NI-wide·Technical Booklet V Glazing
Visual contrast is the perception of a difference visually between one element of a building and another by reference to their light reflectance values. Light reflectance value (LRV) is the total qua
glazingaccessibilityvisual-contrast