Deck : Deck General - 1356/5076
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| What is NOT a requirement for the safe and effective use of a crude oil washing system? |
| A) Strip all tanks and remove the bottom residue. |
| B) Use portable washing machines to reach areas obscured by structural members in the tanks. |
| C) Decant one meter from the source tank for the tank cleaning machines. |
| D) Use an inert gas system while washing tanks. |
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