How are underwater relics recovered?
- Investigating the condition of submerged artifacts and geological features of the seabed; Photographing, surveying and recording of the surrounding areas
- Collecting relics using instruments including air bags, recovery boxes, cranes, and recovery ropes
- Using air lifts to collect artifacts buried under the underbody of a ship or the sea-bottom
- Conducting dryness prevention treatment in the case of wooden or metal objects, which need emergency preservation