First of all, I do scuba and freediving. Read less, let's talk about the technical part. As for the one that cuts off the oxygen, the captain of his saturation diving has this right, and he cannot kill everyone in order to save one person. If anyone has ever sailed a ship, the captain on the high seas has the right to execute anyone who endangers everyone's safety or illegally boarded the ship! In addition, cavities similar to tooth decay are covered in the beginner courses of scuba. As a side note, the young man did not plan to go into the water, but stayed in a constant pressure diving bell. Finally, decompression and lung explosion, decompression sickness, oxygen poisoning, and hypothermia are all fatal. This is true. Diving is a relatively dangerous sport. My experience is that I had hallucinations during free diving. The scuba was sent directly to the sea level by the upwelling at a distance of tens of meters, and was almost cut off by the propeller of the passing ship. But still obsessed with this sport, maybe only people who really like it will understand it. Cave diving recommends the deadly abyss to everyone. The girls inside were also killed due to hyperventilation and tension, and buddy did nothing wrong.
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