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Cause-consequence analysis is a technique which combines the ability of fault trees to show the way various factors may bombine to cause a hazardous event with the ability of event tress to show the various possible outcomes. Sequences and therefore time delays can be illustrated in the consequence part of the diagram. A symbolism similar to that used in fault trees is used to show logical combinations. The technique has considerable potential for illustrating the relationships from initiating events through to end outcomes. It can be used fairly directly for quantification, but the diagrams can become extremely unwieldy. Because of this, cause-consequence analysis is not as widely used as the FTA or event trees analysis ETA, possibly because fault and event trees are easier to follow and so tend to be preferred for presentation of the separate parts of the analysis.