Its captors demanded a multimillion-dollar ransom for the safe return of ship, cargo, and crew.

劫持者要求数百万的赎金才安全归还船只，货物和船员。

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The cargo was containerized for safe and efficient shipping.

为了安全有效率的运输，货物被装入集装箱内。

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Port administrations come to pay more attention to the problems on how to establish a safe and strict management system, which can manage dangerous cargo effectively.

如何建立安全、严格的管理体系，对进出港口的危险货物实施有效的管理，成为海事管理机构十分关注的问题。

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PITTSBURGH, Pennsylvania (CNN) -- An expert said Wednesday that oxygen generator bottles should be safe to ship as cargo, but admitted they heat up to 1200 degrees inside the canister when activated.

CNN: Expert: Oxygen generators should be safe as cargo