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

Essential information

a boiler shell conforming to BS EN 303-1

outside diameter

and activate an alarm

and outlines how to apply each correctly and in line with the European Directive requirements: Essential Requirements of the EU Directives 93/42/EEC

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