Introduction

Part 3, Section 9 provides information and technical guidance on human characteristics and presents available data that describes the psychological, physiological and social characteristics of the population of operators, maintainers and supporters for which the system under consideration should be designed for.

Hence, Section 9 of this standard covers the following topics:

Physical Aspects.

Strength.

Stamina.

Dexterity.

Hearing and Audition.

Speech.

Verbal Communications.

Non-verbal Communications.

Psychological Issues.

Human Reliability.

Stressors.

Principles of Vision.

Principles of Touch.

Principles of Smell.