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01. |
Organizational Problems |
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02. |
Poor Management |
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03. |
Poor Operation Management |
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04. |
Poor Value Perception |
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05. |
Poor Safety Awareness |
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06. |
Inadequate Risk Recognition |
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07. |
Carelessness |
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08. |
Insufficient Precaution |
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09. |
Mannerism |
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10. |
Planning and Design |
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11. |
Poor Planning |
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12. |
Poor Planning of Repair |
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13. |
Usage |
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14. |
Maintenance/Repair |
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15. |
Hot Bolting |
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16. |
Malfunction |
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17. |
Poor Hardware |
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18. |
Insufficient Tightening Force |
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19. |
Secondary Damage |
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20. |
External Damage |
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21. |
Leakage/Fire |
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![](../dfen/DC1200049.jpg)
Leakage and fire from a reactor flange during shutdown operation at a hydrogenation plant of pyrolysis gasoline
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Knowledge Comment: |
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Insufficient tightening force at the start-up operation leads the result of temperature decreasing work at shutdown operation. It is important to execute the quantative control of the tightening force. |
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