Now, I remembered what I had learned in theory education.

When rising from the bottom of the water, you have to stop at a depth of about 5 meters for about 3 minutes to take out the nitrogen in your body.

In fact, what we often say is an oxygen tank is a misnomer.

If you specify it as an air cylinder, and to be precise, it is a compressed air cylinder.

The distribution of oxygen in air is only 21%.

The remaining percentage is mostly nitrogen.

A 100% oxygen cylinder is a decompression bottle, cylinder or tank used in hospitals for first aid.

The regulator that can be connected to the air box and breathe is usually two lines. In the first stage, the compressed air is lowered to an intermediate pressure, and in the second stage, the breathing pressure becomes equal to the ambient pressure that can be breathed in the mouthpiece part.

During ascent, oxygen partial pressure decreases, resulting in a sudden lack of oxygen, which can cause loss of consciousness. Also, nitrogen cannot be exhaled through breathing due to the effect of pressure, blocking capillaries, and there is a risk of exposure to decompression sickness due to nitrogen saturation in the body. am.

As instructor Kim Hae-jin did, I had to operate the regulator to remove the nitrogen, and then I was able to ascend smoothly.

I boarded the ship before Nam Jeong-mi did and uncoupled and dismantled the equipment.

Soon after, Nam Jeong-mi also appeared on the water with Buddy without any incident.

We waved our hands vigorously to support each other with a sense of belonging to the same team and buddy.

“Jo Hoon, are you okay? I have a problem with my body. Dizziness or vomiting…”

“Yes, I’m fine except my ears are a little dumb.”

“It is because of the pressure. Keep ah…sound and you’ll get better soon. I think you can pass it if you come out of the open water tomorrow morning and make up for the remaining deficiencies in the pool and test it. It was great to control buoyancy, maintain balance, and handle the equipment well.”

It’s only that I did substance in Hongsan Island with Cathy.. It was really fortunate.

It is only now that I realized why divers are prohibited from collecting seafood underwater, and why diving must always be done with a buddy.

In fact, we have to deal with the effects of tides, equipment abnormalities, and natural abnormalities and rely on each other, but that doesn’t work.

It only has its eyes on the creatures in the sea, so it cannot control itself.

Walking harujil is also distracted by creatures on the bottom and gets lost, but it will be worse underwater without a rudder.

This is why it is not too much to emphasize the risk of safety a thousand times.

Oxygen poisoning in water can cause aquatic seizures.

The pressure on the ears is reduced by half as the depth goes down.

Breathing is short and momentary when inhaling.

When you exhale, it’s like a long sigh.

Exhaling while ascending.. etc.. The same goes for the name of the equipment.

On the way back to the dive center, I diligently memorized what instructor Kim Hae-jin emphasized.

Even if it’s to spend the evening time comfortably.

#

Just in time for the end of the training, Instructor Jin Ki-Hoon came to pick us up.

You don’t have to…

A slight question.

‘You’re not asking me to go to a surfing lesson right now, are you?’

I wondered if there was any intention in showing excessive kindness, but I wanted to take a break and take a sugar supplement after working hard, so the question was about Andromeda.

As expected, the digestion of black pork cutlet and makguksu was quick, perhaps because of the full-body exercise that went in and out of the water more than 10 meters deep.

“How have you been?”

“It was very good. The work of being a diver is more complex than expected, and the operation of the equipment is a delicate activity. I am worried that I will be a nuisance if I know it for no reason, and I am also worried that I will be able to obtain a license in two days.”

“Kihun said that two days would be enough.”

I heard that you two are friends.

Both are natives of Jeju Island.

It was good that the two’s conviction that they did not leave Jeju because they liked Jeju was different from that of a young man in Seoul.

It is a reality where they have to step on each other because of competition, but they help each other, worry about each other, and treat their friends’ customers kindly as if they were their own.

Optimistic thinking and positive mindset.

Each and every action of the two of them hit the mark.

I didn’t do that, but I’m going to make a comparison.

He glanced at me once and continued talking.

“It is said that he is very gifted. He said he was good at surfing. As for divers.. Do you do any other sports?”

“…”

I’ve never done any exercise before.

no, i didn’t like it

My clothes get dirty and I have to do laundry.

Seok hyung was good at sports.

To be honest, the exercise I am doing is Djembeng.

Maybe it’s because of the family environment or lack of confidence.

Strangely, no matter what I did, I was always unsure.

Thinking about it now, maybe because I grew up without a mother, I think I was intimidated.

I was inactive and timid in everything.

Even though I believed that I could do well, I was not able to step forward confidently.

Of course, I had no friends, and the more I did, the more I crouched down.

Of course, there was no pocket money in the not-so-sufficient life, and the clothes were always dirty, smelly, and shabby.

It was embarrassing to see torn and torn clothes and punctured socks, and there was no room for laughing.

I was young.. Back then, everything about me was just embarrassing.

My childhood and adolescence went by so intimidated, I didn’t know what my talents were… or what I wanted to do, but it didn’t matter.

It was important for me not to starve as a civil servant with a decent salary.

Fortunately, he passed one civil service exam, but he was not happy.

I found out the reason now that the trip has left.

That wasn’t my dream.

After living for 33 years, I realized things I hadn’t known about in these few months of traveling.

These days, I’m over 30 and I’m realizing what I’m good at.

Do you think I have talent in singing and sports?

It’s just amazing.

That I have such a talent.

So, singing or exercising?

I don’t know much about exercise.

“What would you like for dinner? Just say it. I will shoot with Jeju Island food.”

Why do you keep doing that..

“yes? why not…”

“Because you are my customer.”

“I’m losing a lot of money… but I… have to buy it…”

“Ah, where is that? A happy person lives. How about black pork in Jeju Island?”

gulp.

Jeju Island black pig.

I want to eat stupidly. Jirisan black pork was amazing.

“After the test tomorrow, we decided to go to a black pig house for a dinner party. I ate black pork cutlet for lunch too…”

“Oh, then save it. Jeju Island is vast and there are many foods to eat. Then, what should we eat… go to…”

I honestly talked about what I wanted to eat because I couldn’t seem to make a choice.

“I ate body soup deliciously. I was in the water today…”

“Ah, then let’s go eat soup. There is an amazing soup that can only be eaten on Jeju Island.”

What an amazing soup.

Are you looking forward to it?

“great.”

“My aunt will take good care of the chewing gum and mangoes. Don’t worry, eat comfortably and go in, well.”

“thank you.”

#

Instructor Gihun Jin also easily recognized my favorite places.

I heard that he is 31 years younger than me, but looking at his actions and his favorite food, he seems like a typical old man.

me what It is true that you are not free from it.

“Get off, here it is.”

“Yes, yes.”

The place Jin Ki-hoon took me was a quiet residential area on the outskirts of downtown Jeju.

The car stopped in front of a shop on the side of the road where there is no distinction between the sidewalk and the road.

A shop sign that reads ‘Jejuguk’.

On the glass door, the menu sold in the store was written.

I already ate body soup.

Mel-guk and square-legged soup are unfamiliar to me.

Should I eat both of these? What should I do?

“Are you going in?”

“Mel-guk and gakjae-guk are the first menus I’ve ever seen in my life.”

“Then you should try them all, both are very cool.”

gulp.

It’s very simple like a professional restaurant.

There are only three menus.

Melguk, Momguk, and Leg Jaegi Soup.

At a glance, it is a soup, a local food of Jeju Island.

As soon as I walked in and sat down, I asked.

“What is Melguk?”

“Mel is an anchovy from Jeju.”

“Ah…anchovy..”

Melguk uses anchovies that are larger than normal anchovies, and the young owner says that they eat that way in Jeju.

The explanation that the mel used for mel-jeot is the anchovy.

“My friend, give me one mel-guk, one mel-guk, and one mel-guk soup.”

“Is the owner a friend?”

“My mother is doing it, but she’s not feeling well, so I’m doing it together.”

“It looks good. A young person would not want to work in a restaurant.”

It’s not easy to help mom with the restaurant work.

I think it’s great.

Maybe he gave up his dreams and hopes and passed on the generations.

“We know our subjects well. ha ha ha.”

I lowered my head to see her helping her mother in the kitchen.

“Would you like a drink too?”

“That’s good, I want to eat cold makgeolli with seasoning.”

“I think sour citrus makgeolli is better than sweet. My friend, take makgeolli.”

I wake up as if I was at home and take rice wine and a bowl of rice wine from the refrigerator.

My friend started laying the side dishes as if he were the hostess.

Side dishes that are embarrassing to call them side dishes begin to be laid out.

“Uh… Instructor. I think I picked the right place for tonight. You’re just starting to feel happy.”

“hahahaha, I’m glad. You’re happy. It’s a start. Alright then, let’s have a cool drink. Thank you for your hard work diving today.”

“Yes, thank you for your hard work.”

Beep beep beep beep.

Kyaa!

Oops.. I was going to take a half sip just for a little bit of mouth, but I ended up drinking the whole cup.

Not too sweet and not too stinky, Jeju Island’s tangerine makgeolli is always the truth.

That’s why it goes down your throat better than regular makgeolli.

The thick mackerel served as a side dish was cut open with chopsticks and brought to the mouth.

The well-seasoned salty mackerel gave off a fishy smell and soon disappeared in the mouth.

Seasoned eggplant and sour seasoned seaweed called makgeolli, and I couldn’t stop chopsticks.

From noble mtl dot com

I don’t know if it’s because I can’t even eat Melguk.

“The side dishes are really neat and tidy, so it’s delicious.”

“This is a place to eat while standing in line during the day. Strangely, there are no guests today. Perhaps the customers avoided their seats because Jo Hoon-nim was coming.”

“hahahahaha, that could be.”

A whole barrel of makgeolli had already been emptied, and a light, non-irritating scent was wafting from the kitchen.

“By the way, what is the Legion of Legion? There are so many things I don’t know.”

“Gakjaegi means horse mackerel in the Jeju dialect.”

“Is it a horse mackerel?”

“It is a different fish. The shape is similar, but the scales are different.”

“Ah.. I’ve had raw fish and grilled fish before, and I’m looking forward to seeing what they taste like.”

“eat a lot. One more bottle of makgeolli?”

“Okay, that’s good.”

Instructor Jin Ki-hun brought another bucket of makgeolli and poured alcohol, as if he was in a good mood.

“Kihun, what’s wrong with you? You’re a kid who doesn’t even drink alcohol. You must be in a good mood.”

Ki-hoon’s friend said as he put down the red mellow sashimi.

“Yeah, it feels so good.”

“I’m happy to hear that Ki-hoon is in a good mood, hahahahaha.”

“Actually, I have a confession to make to you.”

“A confession?”

“yes. Don’t be surprised. ha ha ha.”

It is Jin Ki-hoon who laughs heartily as if he is drunk.

What are you trying to say?

It’s strangely burdensome.

I gulped down the makgeolli in front of me.

What else? You’re looking forward to it

“Now, Hallasan Mountain is also an after-dinner view. The side dishes are not good, but please try the mel dressing and keep talking. Melguk should be enough to soothe the stomach. Ki-hoon seems to be in a good mood too, so I’m happy.”

sh*t.

Jeon Ji-hun, whose lips are parting, looks young.

The atmosphere was up.

Good food and drinks warmed up the otherwise awkward atmosphere.

‘Yeah, I’m glad you’re feeling well. Isn’t this the strength of alcohol?’

“thank you. I will eat well.”

“is it so. You must be burdened for nothing, but let’s eat and talk.”

“Ki-hoon, I’m fine. You can talk.”

“hahahahaha, I see. Let’s have another drink with the mel dressing.”

“Yes, yes.”

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