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| What are the minimum ventilation requirements for pumprooms on tank vessels, constructed in 1960, carrying grades B or C liquid cargo with machinery spaces located below the freeboard deck? |
| A) gooseneck vents and flame screens |
| B) that it be fitted with at least two ducts extended to the weather deck |
| C) that it be power ventilation |
| D) that it be connected to a vent header system |
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