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01. |
Insufficient Analysis or Research |
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02. |
Insufficient Practice |
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03. |
Lack of Imagination |
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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. |
Planning and Design |
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08. |
Poor Planning |
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09. |
Poor Planning for Purge |
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10. |
Non-Regular Action |
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11. |
Change |
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12. |
Change of Operation Procedure |
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13. |
Bad Event |
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14. |
Chemical Phenomenon |
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15. |
Abnormal Reaction |
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16. |
Secondary Damage |
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17. |
External Damage |
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18. |
Explosion |
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![](../dfen/DC1000002.jpg)
Fire and explosion in a butadiene rectifying column during preparation for turnaround shutdown maintenance
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Knowledge Comment: |
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It is very difficult to purge out the gas inside the polymer. |
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