Tactile information sign is designed to transmit information for MGN with persistent visual impairment, who have the technique of reading relief-dot Braille (by touching the elements of Braille), who do not have this technique (by touching the convex elements of Cyrillic font and symbolic pictograms) and visually impaired (by visual perception of the contrasting combination of background colours and Cyrillic inscriptions, symbolic pictograms).
The height of the tactile layer - 0.8 mm corresponds to item. 6.8.4 GOST R 51671-2020 "Communication and information facilities of technical public use, accessible for disabled people.
Classification. Accessibility and safety requirements".
Sizes and interposition of Braille elements correspond to p. 3.2 of GOST R 56871-2020 "Communication and information facilities for public use accessible to disabled persons.
3.2 of GOST R 56832-2020 "Braille. Requirements and dimensions."
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