LIGHT FOR DEEP DIVE
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First: diving flashlight switch magnetic control switch, open the barrier pressure is limited, and vulnerable to the impurity of the water seepage, some o-ring seal even susceptible to corrosion, so the diving depth, generally within 30 meters, and the service life of the very limited! There is no switch, rotary switch, equivalent to strictly is basic to eliminate open Achilles' heel of the mark, is one of the highend and depth of waterproof diving flashlight universal use, waterproof depth is more than 100 metres.
The second: a torch light source Currently widely used CREE LED series, is the most used Q5 / R5 / T6 / SWC100W, lumen is a kind of light units, 100 lumens is approximately equal to high power 1 w! CREE Q5, brightness can reach below 230 lumens CREE R5, brightness can reach about 350 lumens CREE T6, brightness can reach 1000 lumens SWC100W, brightness can be up to 10000 lumens
Third: use the flashlight batteries, the brightness of the different types of rival battery and battery life have influence! The same number of different batteries also have very big concern, at the current market popular diving flashlight note ARCHON (the pupil) as an example. Note ARCHON D20, using two 18650 batteries, battery life under 1000 lumens highlighted in 1.8 hours!!! Note ARCHON D22, using two 26650 batteries, battery life under 1000 lumens highlighted in about 4.0 hours!!! Note ARCHON D33, using three 26650 batteries, battery life under low light of 1000 lumens in about 9.0 hours!!!
Fourth: tube body material plastic tube body: weight is light and flexible, but easy ageing, the time is long easy to seawater corrosion, and if not careful fall on the ground, scrapped a high probability of tube body, not durable. : aluminum alloy cylinder body weight is a bit heavier than plastic tube body, flexibility is a bit poor, but very corrosion resistant, resistant to impact. Price is more expensive, highend brand aluminum alloy 1.5 meters diving flashlight can free fall, and appearance
- Q: The first day of holiday can do swimming and diving! A quick answer
- I said: "want to die."!"Normal adolescent girls have a natural defense against the invasion of pathogens," experts said. For example, before and after vaginal wall, vaginal closure, vaginal epithelial cells thick, maintain vaginal acidity, adapt to alkaline environment pathogen growth was inhibited, cervical mucus can stop bacteria etc..During menstruation, the cervix opens slightly and the vaginal acidity decreases due to blood flow, so the bacteria multiply and invade the uterus cavity, where the lining of the uterus is stripped and the bacteria grow. Swimming is likely to increase the chances of infection and should be avoided.
- Q: How long can you keep your eyes open in the water without diving glasses when you dive?
- It's only modern to use a swimming mirror when diving, and for a long time scuba diving is naked.Therefore, diving does not wear swimming goggles, in the water can persist for a long time, and now some people have never worn a swimming mirror diving
- Q: How can I learn to swim, like diving on TV?
- Sure feet under water need to tread water, if it is upright, usually lying in the water can be floating
- Q: The swimming pool disinfectant added to the human body what harm?
- 2) bleaching water (sodium hypochlorite): the solution of caustic soda through chlorine. Its effective chlorine content is greater than (equal) 10% (national standard), and the remaining 90% is salt water.In alkaline environment, the killing effect of hypochlorite is very poor, only 1% of hypochlorite. Obviously, if the hypochlorite can be stabilized so that it can not be dissociated into hypochlorite, the bactericidal effect can be increased by 99 times.Therefore, in recent years, the development of three uric acid (TCCA) gradually replaced the bleaching water.
- Q: What are the differences between regular swimming glasses and diving diving glasses? Which is better?
- Deep water diving goggles are connected to oxygen cylinders. You may have seen a large one at the swimming pool, which is for beginners
- Q: The fastest way to swim is to dive
- The breast stroke is one of the competitive swimming postures. The body prone water, arms at the chest symmetrical straight arm flexor side pull, legs symmetric flexion pedal water, swim like a frog. Breaststroke is labor-saving, easy lasting, high practical value, commonly used in hunting and fishing, swimming, rescue, water transportation, at the same time, is also the swimming beginners learning project. Competitions include men and women 100 meters, 200 meters, and so on.
- Q: The swimming pool on the face after a lot of hair tip size rash, itching redness, what is the reason
- Not everyone will experience your condition. It sounds like a small bleeding point from a slight subcutaneous haemorrhage. If it doesn't hurt, it doesn't itch
- Q: If you want to dive, do you have to swim?
- No, as long as a professional coach teaches you how to dive and dive with you
- Q: Can not swim people can go diving to play?
- You mean diving there? If the swimming pool, I didn't learn to play often... But if you go to the pond these places... Better not. Don't bully the water
- Q: Can I learn swimming after I'm 40?
- Certainly. Swimming is suitable for any population.1. learn to walk in the waterYou'll find it funny, but it's important. Aim to overcome your fear of the deep water.Method: walk slowly into the deep water in the swimming pool. Don't be afraid to walk to the water to your shoulder. You will come back. This way you can feel the pressure of the deep water on the body. Very comfortable. It's better to have someone at your side, just in case you cramp, and there's something to protect you from. The two is that you will feel safe. But it's important not to let him take you. You can do this at first when you don't dare, and you can walk slowly without anyone else in the water.
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LIGHT FOR DEEP DIVE
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