Services in the skilled trades
NA 176-06-03 AA
Assistive products for communication and orientation for blind and visually impaired persons
The working committee is responsible for standardization in the fields of assigning characters, character sets and control characters to Braille. These include:
- special devices on traffic signal systems,
- ground surface indicators,
- acoustic signals and visual contrast in public traffic areas,
- requirements for Braille dimensions for writing and electronic media.
