Return to the City: Chapter 1955: 1847: Request for Instructions5

Capítulo 1955: Chapter 1847: Request for Instructions_5

“Uh… Coach Xu, I’ve learned diving.” Song Xiaodong raised his hand.

“What about you guys?” Xu Duoduo glanced at the others.

Sun Yiyi said, “I’ve dived… once.”

Chu Xianling, Dragon Three, and Dragon Nine all shook their heads.

“Alright, let’s start from the beginning, first introducing the diving equipnt.”

Xu Duoduo began speaking: “There are two types of diving equipnt, light and heavy, and heavy diving equipnt, which cannot work suspended, has been gradually phased out.”

“During diving, pay attention to the application of buoyancy; different diving depths require different weights and buoyancy adjustnt devices, and the frequency of breathing depth must change accordingly.”

“As for sea diving, it is essential to learn how to use a snorkel and regulator, as well as surface rest and handling various ergencies.”

“Especially for thrill-seekers like you, it’s even more important to learn how to handle all sorts of ergencies.”

“Everyone take a set of equipnt.” Xu Duoduo led the group to the equipnt room, where everyone took a set of diving equipnt.

“Before going into the water, you must personally check your equipnt, and then have your companions check it once more.”

“Mr. Lin said your diving depth will reach at least 100m, which is in the professional diving domain. The reason why Mr. Lin ca to

is that I’m the only one who can guarantee to train you to beco professional divers within a few days.”

“Scuba diving uses compressed air, not compressed oxygen. The whole set of scuba gear includes a mask, snorkel, fins, regulator, instrunts, tanks, buoyancy control devices, and a diving suit. For open water and deep-sea diving, you should also carry a diving knife, flashlight, and speargun.”

“If there’s a requirent for underwater combat, you’ll also need to carry guns and cold weapons.” Xu Duoduo gave Song Xiaodong a aningful look.

Song Xiaodong looked at Xu Duoduo without speaking, thinking to himself, this diving coach is not simple.

“Next, we’ll learn how to wear the full set of scuba gear. There’s a fixed mnemonic incantation.”

The group dressed neatly and began to enter the water.

“The mask, snorkel, and fins are known as the three treasures of scuba diving; the most important device for deep diving is the buoyancy control device, which, when adjusted properly, allows a person to hover in the water, conserving energy and thus slowing oxygen consumption.”

“Before diving, once the dive point is confird, you need to set a diving plan, determine dive ti, speed, depth, and calculate the gas remaining in fixed procedures. The key is to determine at what gas level to start diving.”

“The speed of descent shouldn’t be too fast; get used to performing ear pressure balance often, don’t wait until your ears hurt.”

“Don’t scare the underwater animals.”

Coach Xu explained a lot and then guided the group to start diving.

The swimming pool at this dive training center seed bottomless, below nothing was visible, a pitch-black abyss-like mouth.

Coach Xu led everyone to dive to just ten ters and guided them in learning to adjust the buoyancy control device to hover in the water.

After mastering the rhythm, everyone continued to dive to twenty ters, thirty ters, and finally to fifty ters.

The bottom of this pool is one hundred ters.

Letting everyone dive to fifty ters at once, Coach Xu wasn’t afraid of anyone drowning on their first dive.

Coach Xu reminded everyone to pay attention to their oxygen levels.

Chu Xianling and Sun Yiyi were both a bit afraid of diving, their breathing was hurried, Dragon Three and Dragon Six were slightly better, while Song Xiaodong took advantage of the rare quiet to practice the Water Observation Technique taught by Teacher Wang.

Water Observation, of course, should be observed from a depth of 50m underwater.

Coach Xu appeared calm, swimming among the group like a fish, checking each individual’s tank readings.

Both Chu Xianling and Sun Yiyi were in Qi Refinent, knowing how to control their breathing; once they cald down, they decisively began to let True Qi flow through their bodies, their breathing gradually slowing, and their minds gradually emptying.

Dragon Three and Dragon Six had only one strand of True Qi, and their cultivation level wasn’t high; although they were also in Qi Refinent, they couldn’t control their breathing as well as Chu Xianling and Sun Yiyi. Initially, Chu Xianling’s and Sun Yiyi’s oxygen readings dropped quickly, but soon slowed down.

Coach Xu was sowhat surprised when checking Song Xiaodong’s tank reading, examining closely, he found Song Xiaodong seed to be ditating, so he gave Song Xiaodong a hard shove, and Song Xiaodong regained awareness and opened his eyes.

Coach Xu was worried Song Xiaodong might die directly.

Seeing Song Xiaodong open his eyes, knowing he had diving experience, Coach Xu gave him a thumbs up.

When everyone’s tanks were down to one-third, Coach Xu led them to ascend.

Coach Xu ascended very slowly, stopping every few ters to let everyone feel the change in pressure at different heights.

Once they finally surfaced, Dragon Nine’s tank, which had consud the most oxygen, only had a little left.

The group had been diving for a total of 30 minutes.

On shore, Coach Xu checked everyone’s oxygen tanks.

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