Diving safety considerations
diving into the necessary learning: mainly including the use of the breathing tube and controller and the water rest method, emergency treatment and so on. The preparing work before enter the water, it is very important. Check whether the equipment function such as diving suit is normal, check each other between companion again. Positive upright posture into the water: diving - The depth of the water should be in 1. More than 5 meters, feet before and after open, one hand hold the mask, single-handedly by the air cylinder straps. Sitting back into the water Sitting in the boat for the state, on his back into the water. Positive posture into the water For beginners to use. Sideways into the water The inflatable buoyancy lie rolling body into the water again. Potential drop method with buoyancy regulator, cooperate with weight belt, at the foot of the potential drop on his head. Rose: to control the rising velocity within 18 meters per minute, simply is not more than own exhaled air bubble rising velocity; Don't stop breathing; Right hand rises looked up at the surface of the water, can specify the direction, looking behind, the body slowly rotates. Scuba diving rules: principle of two men, two people from the water to the shore must be together, the coach must not allow peer to shore; Two people often keep in touch. Single response: keep calm to float on a few meters, looking for companions can't find it surfaced, observe bubble. More than ten minutes, still no companions, should be back into the water. If not necessary, please do not kill animals in the water. Check the residual pressure gauge allowance every ten meters. Several kinds of common gestures: now I well note ( Objects) Direction - - - - - - - - - - - - - 'Indicate the direction of the index finger' rise - - - - - - - - - - - - - Diving - 'his right hand clenched, his thumb up' - - - - - - - - - - - - 'His right hand clenched fists, thumbs down' to adjust the ear pressure diving diving for the first time or time is not long, the water pressure can cause a person's ear discomfort, and even pain. Forcibly knead a nose, the application of the hand blow to the nasal cavity, from 2 makes the pressure rise inside the ear, to offset the pressure of water. In to dive into the pain, should be immediately rise don't try to be brave. If you like surfing, scuba diving, or please visit diving suit manufacturer ask dongguan birch hing co. , LTD. Website, here is you need of diving equipment. Recommend a news: know about the underwater ball movement
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