Give a detailed account of Fault Tree Analysis and Hazard Evaluation Programme and its significance.

Fault Tree Analysis (FTA) and Hazard Evaluation Programmes (HEP) play a crucial role in risk management within the industrial sector, ensuring workplace safety, optimizing processes, and minimizing potential hazards. These methodologies help industries systematically identify, analyze, and mitigate risks associated with various operational failures and hazardous events.  

### FAULT TREE ANALYSIS (FTA)
Fault Tree Analysis (FTA) is a deductive, top-down approach used to analyze system failures by identifying potential causes that contribute to an undesired event (called the Top Event). It is widely employed in industries such as manufacturing, oil and gas, aviation, nuclear power, and chemical processing to enhance safety and reliability.  

#### Basic Concept of Fault Tree Analysis
FTA helps break down complex industrial failures into logical sequences of events using Boolean logic. It utilizes AND and OR gates to link various failure causes systematically.  
- AND Gate: Represents a scenario where multiple failures must occur simultaneously for the top event to happen.  
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