Assistive products for blind and vision-impaired persons. Tactile walking surface indicators Ingestion-build-63114 joysticks or steering wheels

joysticks or steering wheels

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Assistive products for blind and vision-impaired persons. Tactile walking surface indicators Ingestion-build-63114 joysticks or steering wheelsWhat is this standard about? This document provides product specifications for tactile walking surface indicators (TWSIs) and recommendations for their installation in order to assist in the safe and independent mobility of blind or vision impaired persons. This document specifies two types of TWSIs: attention patterns and guiding patterns. Both types can be used indoors and outdoors throughout the built environment where there are insufficient cues