Assertion: salvage diving | /r/HasAspect | different purpose
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text: Most salvage diving is commercial work, or military work, depending on the diving contractor and the purpose for the salvage operation, Clearance diving, the removal of obstructions and hazards to navigation, is closely related to salvage diving, but has a different purpose, in that the objects to be removed are not intended to be recovered, just removed or reduced to a condition where they no longer constitute a hazard.