So, before salvaging the wreck dangerous cargo vessel, it is necessary to make analysis and assessment for risks of the salvage service, and take relative countermeasures.

因此，在救助危险品船之前应对该次救助做出相应的危险性分析和评估，并作出防范措施，才能做到有难必救、有救必成。

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Divers have been warned the wreck is dangerous and should not be explored.

BBC: Sinking vessel