ISO 7731:2003 specifies the physical principles of design, ergonomic requirements and the corresponding test methods for danger signals for public and work areas in the signal reception area and gives guidelines for the design of the signals. It may also be applied to other appropriate situations.ISO 7731:2003 does not apply to verbal danger warnings (e.g. shouts, loudspeaker announcements). ISO 9921 covers verbal danger signals.Special regulations such as those for a pu...
You easily download any file type for your gadget.ISO 7731:2003, Ergonomics - Danger signals for public and work areas - Auditory danger signals | ISO/TC 159/SC 5.Not only was the story interesting, engaging and relatable, it also teaches lessons.
