system safety approach

A system safety apprach is a theory of accident causation and control based on the premise that the universe is a single system and composed of many related subsystems.

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An accident occurs when a human or a mechanical segment of a system fails or malfunctions. The system safety approach reviews the accident to determine how and why it occurred and what steps could be taken to prevent such an incident. Preventive actions utilized under this approach include potential hazard recognition and identification, consistent use of safety-related design in all aspects of the system and subsystems, evaluation of all procedures for meeting safety requirements, and maintaining sustained awareness of all safety measures and techniques.