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Root cause can be best defined as a factor that causes a non-conformance or a defect and which should be immediately and permanently eliminated through process improvement. Root cause analysis is one of the core components in an organization’s continuous improvement efforts. Some RCA approaches are aimed more toward identifying true root causes among others, some are more rooted in general problem-solving techniques, and others just offer support for the core activity of analysis. There can be many methodologies, approaches, and techniques for conducting root cause analysis.