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          01. | 
           Poor Value Perception | 
         
       
      
        
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          02. | 
           Poor Safety Awareness | 
         
       
      
        
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          03. | 
           Inadequate Risk Recognition | 
         
       
      
      
        
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          04. | 
           Organizational Problems | 
         
       
      
        
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          05. | 
           Poor Management | 
         
       
      
        
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          06. | 
           Slackness of Management | 
         
       
      
      
        
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          07. | 
           Misjudgment | 
         
       
      
        
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          08. | 
           Misunderstanding | 
         
       
      
        
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          09. | 
           Poor Detail Planning | 
         
       
      
        
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          10. | 
           De-alkylation Reaction | 
         
       
      
      
        
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          11. | 
           Planning and Design | 
         
       
      
        
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          12. | 
           Poor Planning | 
         
       
      
        
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          13. | 
           Poor Planning of Repair | 
         
       
      
      
        
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          14. | 
           Usage | 
         
       
      
        
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          15. | 
           Maintenance/Repair | 
         
       
      
        
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          16. | 
           Repair | 
         
       
      
      
        
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          17. | 
           Malfunction | 
         
       
      
        
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          18. | 
           Poor Hardware | 
         
       
      
        
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          19. | 
           Wrong Tightening | 
         
       
      
      
        
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          20. | 
           Secondary Damage | 
         
       
      
        
            | 
          21. | 
           External Damage | 
         
       
      
        
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          22. | 
           Explosion | 
         
       
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      Leakage and fire of gas from a high-temperature heat exchanger at a benzene manufacturing plant using a dealkylation reaction 
      
       
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                      Knowledge Comment: | 
                     
                    
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                      You can stop the leakage from a flange at hot section by proper hot-bolting. | 
                     
                   
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