Ergonomics. Accessible design. Guidelines for designing tactile symbols and characters Ingestion-build-258901 Essential information

Essential information

ISO 9001:1994 and ISO 9001:2000

outside diameter

a boiler shell conforming to BS EN 303-1

BS EN ISO 6145-6 specifies a method for the continuous production of calibration gas mixtures

Ergonomics. Accessible design. Guidelines for designing tactile symbols and characters Ingestion-build-258901 Essential informationWhat is this standard about? This document provides design guidelines and requirements for tactile symbols and characters used for information and marking for people who need non visual or non auditory information. It is applicable to products, facilities and equipment in housing and transportation, services and packaging, where tactile symbols and characters may be used. This document specifies the physical characteristics of tactile symbols and