Final answer:
A flow diagram provides a visual representation of the process in hazard analysis. It helps identify and evaluate potential hazards by illustrating the sequence of events and interaction between components or steps.
Step-by-step explanation:
A flow diagram provides a visual representation of the process in hazard analysis. It helps to identify and evaluate potential hazards by illustrating the sequence of events and the interaction between different components or steps. By using symbols and arrows to depict the flow, a flow diagram makes it easier to understand the hazards involved and their effects. For example, in the hazard identification of a chemical substance, a flow diagram can show the different hazards, such as fire, health, and reactivity, and their corresponding levels of severity.