How does a baffle differ from a bulkhead inside a cargo tank?

Pick an answer

1. A bulkhead actually has openings that let liquid flow slowly, while a baffle is the one that fully seals off compartments
2. A baffle has openings that let liquid pass through slowly, while a bulkhead fully separates the tank into sealed compartments
3. Baffles and bulkheads are both used only for cleaning purposes
4. A baffle and a bulkhead are simply two different names for the exact same part

Correct!

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