Let me discuss this video as a certified diver with a diving technical perspective!

Elouise 2021-12-24 08:01:50

My hobby is diving, and I currently hold a junior certificate in cave diving. After watching this film, I have the most feelings: Diving is a sport with certain risks, and cave diving is even more dangerous. When doing cave diving activities, you must be extremely careful, a small mistake can kill people underwater. At the beginning of the film, there was a close-up about the diving accident. The protagonist Frank’s female companion is really unlucky, and the good-natured oxygen tube broke... The desperate struggle that caused panic~ At this point, Frank is really admirable. He took off his own oxygen mask and gave it to her. Take turns to breathe for more than ten seconds, stick to this, you should be able to escape completely. But she couldn't hold on, panic prevailed, which was a taboo for divers. In any situation, you must try your best to stay calm. Once you panic, you will forget what solutions you have learned, and dangers will follow. Seeing this, I can’t help but remember that I was in Malaysia in 2009 In the thrilling scene of the tortoise cave in Sipadan, if I hadn't tried my best to control the panic and calm down, I am afraid I would not be able to watch movies and write film reviews here. At that time, I, my boyfriend, and the coach were 3 people. Enter from the entrance of the cave to the branch inside the cave, which is another small cave. The coach stopped, gestured to us, motioned us to do an exercise: to train the response to hypoxia in the cave. Everyone should know that there are two diving equipment: second stage (that is, the respirator held in the mouth when diving), one is to breathe in the mouth, and the other is: spare second stage. The spare second stage is usually clipped to the buoyancy vest (that is, the vest with the cylinder hanging on it must be worn, we call it BCD) But! In the cave, the situation is quite special, because there are often rocks, stalagmites and the like that protrude from time to time in the cave, which can easily hook the pipe. Therefore, when diving in caves, the spare second stage will be rolled up and stuffed in the pocket of the buoyancy vest, so it is not easy to find and easy to hang up as usual. This is one point, another point: when we are diving in open water, if you are out of oxygen, all you have to do is to swim to the closest companion immediately, stretch your hand to your neck and move back and forth to indicate that the oxygen is broken. , And then take off your partner’s secondary spare head directly from his buoyancy vest, put it in your mouth and breathe, and then the two of you will slowly rise to the surface. However, in cave diving, this is different again, because the environment is dark and the situation is urgent. What you have to do is swim directly to the nearest partner, take the second-stage head from the partner’s mouth without saying hello, and put it on yourself. Breathe in the mouth. This is what my instructor at the time said (it has been confirmed that the instructor was wrong, and there is no such thing in the cave diving tutorial). What's more unfortunate is that I didn't hear clearly what he said: no need to make gestures, say hello, directly Take the second-level head from your partner. Poor me, I thought it was my companion's spare second-level head. Thus, the scene of the cup took place. When it was my boyfriend’s turn to demonstrate the lack of oxygen, I just waited for him to come to me for a spare second stage, but I never thought that the moment my boyfriend exhaled and was about to inhale, Take the second stage head from my mouth! ! ! At that moment, I didn't have any reaction at all. I was just stupid, stuck, and couldn't breathe in, and my lungs were empty again. I think there is no words to describe the feeling! ! ! (You can try it, take a breath, hold your breath when you are about to inhale, that’s how it feels) In this way, my brain is probably blank for a few seconds. What can I find in my buoyancy vest pocket? My spare second-level head, tell them 2 by gesturing. I can’t do it. I can’t think of any of these solutions that can be thought of under normal thinking. There is only one thing in my mind: I want oxygen, I want to breathe. ! ! ! So my hands started waving wildly, my mouth made a humming sound, and my head swayed desperately from side to side. The coach understood, and immediately picked up his second-level head and stuffed it into my mouth. Finally, I breathed the most important breath of life. We must know that we were nearly 100 meters deep into the cave. If I inhaled seawater into my lungs in panic, I am afraid that 10 oxygen tanks would not be able to save me. It is impossible to swim out of the cave without 20 minutes. When I got back ashore, I cried for half an hour. I thought my boyfriend was going to murder me. This is all for later, and now I understand that the coach at the time may have made a mistake. Well, I have recalled so much, let's talk about other aspects of the movie. Later when they were escaping, Frank asked Victoria to put on the wetsuit of her dead female partner, but she turned it down. This can be a fatal error. First of all, Victoria is not a diver. She has never even dived before. It was the first time she went to cave diving for such a dangerous sport, which really convinced her. She doesn't understand how important a diving suit is. Loss of temperature underwater can cause leg and foot cramps, and a series of consequences such as inability to breathe. Therefore, in any case, it is best to follow the leader, especially if you have no experience. Last point, in the last few minutes when Frank's son escaped. He took a small bottle of gas tank, and he didn't wear a mask. (The mask is not worn. In fact, you can't see anything under water). It's pretty powerful, I don't know if you have noticed it. Finally, the gas tank was gone, and Josh persisted for the last few minutes by breathing the gas at the top of the cave. In fact, it's the breath that I exhaled, because I can't get out, it's just piled up on the top of the cave. The inside is full of carbon dioxide. I don't know if it's useful. I haven't tried it anyway. I don’t want to try either, ha ha ha. Besides, I also watched this movie because Cameron is a producer. He is an out-and-out veteran diving veteran! There are children's shoes who would like to see the video of my diving in Spartan Turtle Cave in Malaysia in 2009. You can come to this address to have a look. I took it myself. Haha:) That is the cave where the above accident occurred. She is not a diver, and she has never even dived before. It was the first time she went to cave diving for such a dangerous sport, which really convinced her. She doesn't understand how important a diving suit is. Loss of temperature underwater can cause leg and foot cramps, and a series of consequences such as inability to breathe. Therefore, in any case, it is best to follow the leader, especially if you have no experience. Last point, in the last few minutes when Frank's son escaped. He took a small bottle of gas tank, and he didn't wear a mask. (The mask is not worn. In fact, you can't see anything under water). It's pretty powerful, I don't know if you have noticed it. Finally, the gas tank was gone, and Josh persisted for the last few minutes by breathing the gas at the top of the cave. In fact, it's the breath that I exhaled, because I can't get out, it's just piled up on the top of the cave. The inside is full of carbon dioxide. I don't know if it's useful. I haven't tried it anyway. I don’t want to try either, ha ha ha. Besides, I also watched this movie because Cameron is a producer. He is an out-and-out veteran diving veteran! There are children's shoes who would like to see the video of my diving in Spartan Turtle Cave in Malaysia in 2009. You can come to this address to have a look. I took it myself. Haha:) That is the cave where the above accident occurred. She is not a diver, and she has never even dived before. It was the first time she went to cave diving for such a dangerous sport, which really convinced her. She doesn't understand how important a diving suit is. Loss of temperature underwater can cause leg and foot cramps, and a series of consequences such as inability to breathe. Therefore, in any case, it is best to follow the leader, especially if you have no experience. Last point, in the last few minutes when Frank's son escaped. He took a small bottle of gas tank, and he didn't wear a mask. (The mask is not worn. In fact, you can't see anything under water). It's pretty powerful, I don't know if you have noticed it. Finally, the gas tank was gone, and Josh persisted for the last few minutes by breathing the gas at the top of the cave. In fact, it's the breath that I exhaled, because I can't get out, it's just piled up on the top of the cave. The inside is full of carbon dioxide. I don't know if it's useful. I haven't tried it anyway. I don’t want to try either, ha ha ha. Besides, I also watched this movie because Cameron is a producer. He is an out-and-out veteran diving veteran! There are children's shoes who would like to see the video of my diving in Spartan Turtle Cave in Malaysia in 2009. You can come to this address to have a look. I took it myself. Haha:) That is the cave where the above accident occurred. http://v.youku.com/v_show/id_XMTc5MDIxNjg0.html latest video 2012 Palau Travels http://v.youku.com/v_show/id_XMzk5MzkwMjQ0.html Diving is not all just danger and fear, the beautiful underwater world The cute fishes are the focus. Children’s shoes can also come and see my latest shots. The address of the 2011 Thailand Similan diving trip is: http://www.tudou.com/programs/view/TjrIsxQJAB8/ latest 2011 Wreck diving in Cologne, the Philippines in May of 2005 http://v.youku.com/v_show/id_XMjcxNDg0ODcy.html and diving blog http://scyes.blog.163.com/My Sina Weibo http://weibo.com/ judycan hopes that more friends will join us in diving! Late night update on February 22, 2020

My boyfriend is now the father of my two children

No more diving at the moment. The last dive was in Thailand in 2016.

Is your favorite sport now snowboarding?

Settling in Sweden?

Welcome to soy oils➕wx: judycan

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Extended Reading
  • Gage 2022-04-23 07:02:57

    Selfishness and panic are an explorer's nightmare. A very manly film, realistic and cruel. Cameron's 3D camera technology helped out, and the visual effects were addicting, perfectly restoring the magnificent scenery and deep water experience. The plot mode is very routine, but the mood can't help but fluctuate with the plot. In addition, the technical details of this film are handled very realistically.

  • Arielle 2022-03-28 09:01:06

    A stark dissection of human nature.

Sanctum quotes

  • Frank: [entering an unexplored underwater cavern] Since the beginning of time, no human being has ever seen this.

    Judes: Look at it. It's like a cathedral!

    Frank: St. Judes' Cathedral.

    Judes: Damn right!

  • Frank: [removing his dive rig to fit through a narrow passage] Haven't done this for awhile

    Judes: Finally, some excitement.

    J.D.: He's going in without bailout.

    Liz: He's keen.

    Crazy George: Jesus Frank, just leave it. That hole's tighter than a nun's nasty.