Six magical tools for sea rescue

2. [Vajra Ring] - Effectiveness: ★☆

|Scientific Name|: Lifebuoy, a common life-saving device used in water.

|Composition|: Cork, foam plastic, or other lightweight materials, covered with canvas or plastic for a reflective effect.

|Usege|: When someone falls into the water, the user can quickly throw it overboard to rescue them.

|Advantages|: Commonly found on boats, making it easy to access.

|Disadvantages|: Heavy and easily damaged; can be used when the person is close to the water, but can easily knock them unconscious if thrown too close; does not retain heat.

3. [Golden Armor] - Effectiveness: ★★

|Scientific Name|: Life jacket, a type of armor that increases buoyancy in water.

|Composition|: Made of nylon fabric, neoprene buoyancy material, foam plastic or inflatable material, and reflective material. Designed similar to a vest.

|Usege|: When performing outboard operations, rescue, or abandoning ship, the user should wear it properly. Use a deadlock knot to ensure sufficient buoyancy and keep the head above water. Pairing it with a self-illuminating light and whistle will enhance its effectiveness.

|Advantages|: Can be easily accessed and stored on board.

|Disadvantages|: Can be bulky, making it difficult to work with, increases the volume, and does not retain heat.

4. [Golden Bell Cover] - Effectiveness: ★★★☆

|Scientific Name|: Immersion Thermal Suit, a life-saving device that covers the entire body and provides warmth.

|Composition|: Multi-layered, high-quality neoprene composite material. Non-toxic and odorless, it is impervious to marine air, seawater, freshwater, oil, and fungus, making it the "space suit" of the maritime world.

|Use|: Remove the thermal suit and don it according to the instructions.

|Advantages|: Waterproof, heat-insulating, heat-resistant, flame-retardant, oil-resistant, and highly durable.

|Disadvantages|: Extremely bulky, making it difficult for larger individuals to wear.

5. [Bodhisattva Lotus] - Effectiveness: ★★★★

|Scientific Name|: A life raft, a sacred object believed to be used by Guanyin Bodhisattva to save the suffering and liberate all living beings.

|Composition|: Made of waterproof Oxford cloth.

|Usege|: Typically mounted on a dedicated raft rig on the side of a ship. The raft can be thrown directly into the water and automatically inflated. If the ship sinks too quickly to be dropped, the hydrostatic release mechanism on the raft rig automatically disengages when the ship reaches a certain depth, releasing the life raft.

|Advantages|: Easy to deploy, can accommodate multiple people, and includes life-saving equipment to increase the chance of rescue.

|Disadvantages|: Unpowered, can only float near the distressed waters awaiting rescue.

6. Jianzhen Boat - Effectiveness: ★★★★★

|Scientific Name|: Lifeboat, a sacred object said to have saved Jianzhen from danger during his six voyages to the East.

Composition: Fiberglass and composite materials, generally available in open, semi-enclosed, and fully enclosed types.

|Usege|: Quickly board a boat and lower it to the sea surface to escape danger.

|Advantages|: Multiple launch methods allow for multiple passengers, and included lifesaving equipment increases the chance of rescue.

|Disadvantages|: Difficult to deploy in rough seas, limited endurance. If in distress far from land, it is recommended to wait for rescue near the distressed waters.

The reason why the above artifacts are on the list: 

For maritime rescue, the most important thing in times of distress is whether the crew can take self-rescue measures in the first place. The above artifacts are self-rescue hardware that can effectively prevent people in distress from drowning and suffocating or from being immersed in seawater for a long time, causing their body temperature to drop.